JSC2002-E-43795 (11 Sept. 2002) --- Astronaut Steven G. MacLean, mission specialist representing the Canadian Space Agency.

JSC2002-E-43796 (11 Sept. 2002) --- Astronaut Steven G. MacLean, mission specialist representing the Canadian Space Agency.

S115-E-05781 (13 Sept. 2006) --- Astronauts Daniel C. Burbank (left) and Steven G. MacLean, representing the Canadian Space Agency, participate in the second of three scheduled space walks for the Space Shuttle Atlantis and International Space Station crewmembers as construction resumes on the space station. The two STS-115 mission specialists are working at part of the integrated truss system. MacLean is flanked by two breadbox-sized equipment bags.

Canadian Space Agency President Steve MacLean signs a framework agreement on civil space cooperation between the U.S. and Canada, Wednesday, Sept. 9, 2009, at the Canadian Embassy in Washington, DC. Photo Credit: (NASA/Bill Ingalls) 

S92-44998 (August 1992) --- Astronaut Steven G. Maclean, payload specialist STS-52. NOTE: MacLean is one of six Canadian astronauts selected in December 1983. He began astronaut training in February 1984. He was designated in December 1985 as the Canadian payload specialist to fly on STS-52 with the CANEX-2 set of Canadian experiments.

S115-E-05766 (12 Sept. 2006) --- Astronaut Steven G. MacLean, STS-115 mission specialist representing the Canadian Space Agency, photographed in the midst of a pre-breathe exercise in the Quest Airlock of the International Space Station in preparation for a session of extravehicular activity (EVA). European Space Agency (ESA) astronaut Thomas Reiter (background) assisted MacLean.

ISS013-E-81061 (13 Sept. 2006) --- Canadian Space Agency astronaut Steven G. MacLean, STS-115 mission specialist, performs a task to relocate articulating portable foot restraints (APFR) during the second of three scheduled spacewalks supported by the Atlantis astronauts and the crewmembers aboard the International Space Station.

ISS013-E-81053 (13 Sept. 2006) --- Canadian Space Agency astronaut Steven G. MacLean, STS-115 mission specialist, performs a task to relocate articulating portable foot restraints (APFR) during the second of three scheduled spacewalks supported by the Space Shuttle Atlantis astronauts and the crewmembers aboard the International Space Station.

ISS013-E-80781 (12 Sept. 2006) --- Canadian Space Agency astronaut Steven G. MacLean, STS-115 mission specialist, and astronaut Christopher J. Ferguson, pilot, work inside the Destiny laboratory to support the first day of the resumption of construction on the International Space Station. Two crewmates--astronauts Heidemarie M. Stefanyshyn-Piper and Joseph R. Tanner--earlier donned extravehicular mobility units and were outside now participating in the first of three scheduled space walks.

NASA Administrator Charles Bolden, right, and Canadian Space Agency President Steve MacLean sign a framework agreement on civil space cooperation, Wednesday, Sept. 9, 2009, at the Canadian Embassy in Washington, DC. Photo Credit: (NASA/Bill Ingalls) 

NASA Administrator Charles Bolden, right, and Canadian Space Agency President Steve MacLean shake hands after signing a framework agreement on civil space cooperation, Wednesday, Sept. 9, 2009, at the Canadian Embassy in Washington, DC. Photo Credit: (NASA/Bill Ingalls) 

Five NASA astronauts and one Canadian payload specialist composed the STS-52 crew. Pictured on the back row, left to right, are Michael A. Baker, pilot; James B. Wetherbee, commander; and Steven G. Maclean, payload specialist. On the front row, left to right, are mission specialists Charles (Lacy) Veach, Tamara Jernigan, and William Shepherd. Launched aboard the Space Shuttle Columbia on October 22, 1992 at 1:09:39 p.m. (EDT), the crew’s primary objectives were the deployment of the Laser Geodynamic Satellite (LAGEOS II) and operation of the U.S. Microgravity Payload-1 (USMP-1).

S115-E-05784 (13 Sept. 2006) --- Astronauts Daniel C. Burbank (right) and Steven G. MacLean, representing the Canadian Space Agency, participate in the second of three scheduled space walks for the Space Shuttle Atlantis and International Space Station crewmembers as construction resumes on the orbital outpost. The two STS-115 mission specialists are translating along the side of one of the station's trusses.

S115-E-05813 (13 Sept. 2006) --- Astronauts Steven G. MacLean representing the Canadian Space Agency, and Daniel C. Burbank, both STS-115 mission specialists, participate in the second of three scheduled spacewalks for the Space Shuttle Atlantis and International Space Station crewmembers as construction resumes on the orbital outpost. The two STS-115 mission specialists are translating along the side of one of the station's trusses.

S115-E-05783 (13 Sept. 2006) --- Astronauts Daniel C. Burbank (right) and Steven G. MacLean representing the Canadian Space Agency, participate in the second of three scheduled spacewalks for the Space Shuttle Atlantis and International Space Station crewmembers as construction resumes on the orbital outpost. The two STS-115 mission specialists are translating along the side of one of the station's trusses.

S92-40001 (1 June 1992) --- Payload specialist Steven G. Maclean is assisted by two SCUBA-equipped divers as he participates in emergency bailout training in the Johnson Space Center's (JSC) Weightless Environment Training Facility (WET-F). Maclean will join five NASA astronauts for the scheduled 10-day STS-52 mission.

S115-E-05801 (13 Sept. 2006) --- This panoramic scene of the International Space Station over terrain could be used for a quick game of "find the two astronauts in this picture." The combined crews of the Space Shuttle Atlantis and the orbital outpost have resumed construction on the station this week. The two STS-115 crewmembers in this picture were participating in the second of three scheduled space walks. Astronaut Daniel C. Burbank can be recognized by the broken red stripe on each leg of his extravehicular mobility space suit. Not so readily visible is astronaut Steven G. MacLean, representing the Canadian Space Agency, just above and to the right of Burbank.

S115-E-E-05528 (12 Sept. 2006) --- Astronaut Steven G. MacLean, representing the Canadian Space Agency, works at the controls for the Canadarm2 or space station remote manipulator arm as part of the team effort to successfully complete "installation day" on the International Space Station. The Atlantis and Expedition 13 crews worked on attaching the P3/P4 truss during the first of three scheduled spacewalks by STS-115 shuttle crew members. Today's space walkers were astronauts Joseph R. Tanner and Heidemarie M. Stefanyshyn-Piper.

View of Astronauts Steve MacLean, Canadian Space Agency (CSA), Mission Specialist (MS), and Jeffrey N. Williams, Expedition 13 Flight Engineer (FE) and NASA Space Station Science Officer working at the Space Stations Robotic Arm to slowly move the 17 and a half ton P3/P4 truss to the port side of the Integrated Truss System. They will align it using a television camera and then mate it to the P1. Photo was taken in the U.S. Laboratory/Destiny during Expedition 13 / STS-115 joint operations.

S115-E-05985 (13 Sept. 2006) --- Astronauts Steven G. MacLean (top) representing the Canadian Space Agency, and Daniel C. Burbank, both STS-115 mission specialists, participate in the second of three scheduled spacewalks for the Space Shuttle Atlantis and International Space Station crewmembers as construction resumes on the orbital outpost. The two STS-115 mission specialists are translating along the side of one of the station's trusses.

S92-40029 (19 June 1992) --- Astronaut Charles L. (Lacy) Veach (left) and payload specialist Steven G. MacLean, two of six crewmembers assigned to fly aboard Columbia for the STS-52 mission, listen to a briefing during emergency bailout training at the Johnson Space Center's Weightless Environment Training Facility (WET-F). Veach is one of three mission specialists who in October will join the Canadian PS, along with the mission's commander and pilot for ten-plus days of research and experimentation, plus the deployment of the LAGEOS spacecraft, in Earth orbit.

JSC2002-E-51054 (16 December 2002) --- Astronauts Steven G. MacLean (left), STS-115 mission specialist, and Edward T. Lu, Expedition Seven flight engineer, participate in a training session in the virtual reality lab at the Johnson Space Center (JSC). MacLean represents the Canadian Space Agency.

STS052-24-014 (22 Oct-1 Nov 1992) --- Canadian payload specialist Steven G. MacLean tries out gymnastics in the weightlessness of space on the aft flight deck of the Earth-orbiting Space Shuttle Columbia. MacLean, along with five NASA astronauts, spent ten days aboard Columbia for the STS-52 mission.

JSC2002-E-39744 (26 Sept. 2002) --- Astronaut Steven G. MacLean, STS-115 mission specialist representing the Canadian Space Agency, waves as he is submerged in the waters of the Neutral Buoyancy Laboratory (NBL) near the Johnson Space Center. MacLean is wearing a training version of the Extravehicular Mobility Unit (EMU) space suit.

JOHNSON SPACE CENTER, TX - JSC2002-E-43795 (September 11, 2002) -- Astronaut Steven G. MacLean, mission specialist representing the Canadian Space Agency.

JSC2005-E-17432 (28 April 2005) --- Astronaut Steven G. MacLean, STS-115 mission specialist representing the Canadian Space Agency, wearing a training version of the shuttle launch and entry suit, rehearses emergency egress procedures in the Space Vehicle Mockup Facility at Johnson Space Center. The long tube in the foreground is a training version of the launch escape pole which is now carried onboard for all shuttle flights. Crew trainer David Pogue assisted MacLean.

JSC2002-E-44130 (31 October 2002) --- Astronaut Steven G. MacLean, STS-115 mission specialist, participates in a mission training session in one of the high fidelity trainer/mockups in the Space Vehicle Mockup Facility at the Johnson Space Center (JSC). MacLean, who represents the Canadian Space Agency, is attired in a training version of the shuttle launch and entry suit.

JSC2002-E-39736 (26 September 2002) --- Astronaut Steven G. MacLean, STS-115 mission specialist, attired in a training version of the Extravehicular Mobility Unit (EMU) space suit, is about to begin a training session in the Neutral Buoyancy Laboratory (NBL) near the Johnson Space Center (JSC). MacLean represents the Canadian Space Agency.

KENNEDY SPACE CENTER, FLA. -- In the Space Station Processing Facility, STS-115 Mission Specialists Daniel Burbank (left) and Steven MacLean (right) check out equipment during Crew Equipment Interface Test activities. MacLean is with the Canadian Space Agency. The mission will deliver the second port truss segment, the P3/P4 Truss, to attach to the first port truss segment, the P1 Truss, as well as deploy solar array set 2A and 4A. Launch on Space Shuttle Endeavour is scheduled for May 23, 2003.

KENNEDY SPACE CENTER, FLA. - STS-115 Mission Specialist Steven MacLean looks over part of the mission payload in the Space Station Processing Facility during Crew Equipment Interface Test activities. MacLean is with the Canadian Space Agency. The mission will deliver the second port truss segment, the P3/P4 Truss, to attach to the first port truss segment, the P1 Truss, as well as deploy solar array set 2A and 4A. Launch on Space Shuttle Endeavour is scheduled for May 23, 2003.

KENNEDY SPACE CENTER, FLA. - STS-115 Mission Specialist Steven MacLean takes his turn driving the M-113 armored personnel carrier. STS-115 Mission Specialist Steven MacLean takes his turn driving the M-113 armored personnel carrier. Passengers on the carrier are Mission Specialists Daniel Burbank and Heidemarie Stefanyshyn-Piper, Pilot Christopher Ferguson and Capt. George Hoggard, who is astronaut rescue team leader. MacLean represents the Canadian Space Agency. The STS-115 crew are at NASA's Kennedy Space Center for Terminal Countdown Demonstration Test activities such as the M-113 training. They will also practice emergency egress from the launch pad and take part in a simulated launch countdown. Liftoff of mission STS-115 aboard Space Shuttle Atlantis is scheduled in a window beginning Aug. 27. Photo credit: NASA/Cory Huston

S115-E-05304 (9 Sept. 2006) --- Astronaut Steven G. MacLean of the Canadian Space Agency on the flight deck of the Space Shuttle Atlantis on the first day of the STS-115 mission.

JSC2001-E-25125 (16 August 2001) --- Flight directors John Shannon (left foreground) and Kelly Beck watch the large screens from their consoles in the shuttle flight control room (WFCR) in Houston’s Mission Control Center (MCC) along with astronauts Joseph R. Tanner (left background) and Steve MacLean, STS-105 spacecraft communicators (CAPCOM). At the time this photo was taken, mission specialists Daniel T. Barry and Patrick G. Forrester were performing the first of two scheduled space walks during Discovery’s visit to the International Space Station (ISS). MacLean represents the Canadian Space Agency.

JSC2001-E-25123 (16 August 2001) --- Astronauts Joseph R. Tanner (left) and Steve MacLean, both STS-105 spacecraft communicators (CAPCOM), discuss the progress of the extravehicular activity at their consoles in the shuttle flight control room (WFCR) in Houston’s Mission Control Center (MCC). At the time this photo was taken, mission specialists Daniel T. Barry and Patrick G. Forrester were performing the first of two scheduled space walks during Discovery’s voyage to the International Space Station (ISS). MacLean represents the Canadian Space Agency.

KENNEDY SPACE CENTER, FLA. - STS-115 Mission Specialist Steven MacLean is ready to practice driving the M-113 armored personnel carrier. MacLean represents the Canadian Space Agency. The STS-115 crew are at NASA's Kennedy Space Center for Terminal Countdown Demonstration Test activities such as the M-113 training. They will also practice emergency egress from the launch pad and take part in a simulated launch countdown. Liftoff of mission STS-115 aboard Space Shuttle Atlantis is scheduled in a window beginning Aug. 27. Photo credit: NASA/Cory Huston

KENNEDY SPACE CENTER, FLA. - Inside Atlantis' cockpit, STS-115 Mission Specialist Steven MacLean is taking part in a simulated launch countdown, the culmination of Terminal Countdown Demonstration Test activities. MacLean is with the Canadian Space Agency. The TCDT is a prelaunch preparation for the mission that is scheduled to lift off in a window opening Aug. 27. During their 11-day mission to the International Space Station, the STS-115 crew will continue construction of the station and attach the payload elements, the Port 3/4 truss segment with its two large solar arrays.

JSC2002-02126 (3 December 2002) --- Members of the STS-115 crew are briefed by United Space Alliance (USA) crew trainer David Pogue (standing) during an emergency egress training session in the Space Vehicle Mockup Facility at the Johnson Space Center (JSC). From the left are astronauts Christopher J. Ferguson, Brent W. Jett, Jr., pilot and mission commander, respectively; Daniel C. Burbank, Joseph R. (Joe) Tanner, Heidemarie M. Stefanyshyn-Piper, and Steven G. MacLean, all mission specialists. The crew is wearing training versions of the shuttle launch and entry suit. MacLean represents the Canadian Space Agency.

KENNEDY SPACE CENTER, FLA. - In the Operations and Checkout Building at NASA Kennedy Space Center, STS-115 Mission Specialist Steven MacLean dons his launch and re-entry suit before heading to the launch pad. MacLean is with the Canadian Space Agency. MacLean is making his second shuttle flight on this mission to the International Space Station aboard Space Shuttle Atlantis. On its second attempt for launch, Atlantis is scheduled to lift off at 11:41 a.m. EDT today from Launch Pad 39B. During the STS-115 mission, Atlantis' astronauts will deliver and install the 17.5-ton, bus-sized P3/P4 integrated truss segment on the station. The girder-like truss includes a set of giant solar arrays, batteries and associated electronics and will provide one-fourth of the total power-generation capability for the completed station. This mission is the 116th space shuttle flight, the 27th flight for orbiter Atlantis, and the 19th U.S. flight to the ISS. STS-115 is scheduled to last 11 days with a planned landing at KSC. Photo credit: NASA/Kim Shiflett

KENNEDY SPACE CENTER, FLA. - In the Operations and Checkout Building at NASA Kennedy Space Center, STS-115 Mission Specialist Steven MacLean checks his glove during suitup before heading to the launch pad. MacLean is with the Canadian Space Agency. MacLean is making his second shuttle flight on this mission to the International Space Station aboard Space Shuttle Atlantis. On its second attempt for launch, Atlantis is scheduled to lift off at 11:41 a.m. EDT today from Launch Pad 39B. During the STS-115 mission, Atlantis' astronauts will deliver and install the 17.5-ton, bus-sized P3/P4 integrated truss segment on the station. The girder-like truss includes a set of giant solar arrays, batteries and associated electronics and will provide one-fourth of the total power-generation capability for the completed station. This mission is the 116th space shuttle flight, the 27th flight for orbiter Atlantis, and the 19th U.S. flight to the ISS. STS-115 is scheduled to last 11 days with a planned landing at KSC. Photo credit: NASA/Kim Shiflett

JSC2006-E-27886 (22 June 2006) --- Astronaut Steven G. MacLean, STS-115 mission specialist representing the Canadian Space Agency, photographed in a T-38 trainer jet, prepares for a flight at Ellington Field near Johnson Space Center.

JSC2005-E-13822 (4 April 2005) --- Astronaut Steven G. MacLean, STS-115 mission specialist representing the Canadian Space Agency, dons a training version of the shuttle launch and entry suit prior to the start of an emergency egress training session in the Space Vehicle Mockup Facility at the Johnson Space Center.

JSC2006-E-27882 (22 June 2006) --- Astronaut Steven G. MacLean, STS-115 mission specialist representing the Canadian Space Agency, photographed in a T-38 trainer jet, prepares for a flight at Ellington Field near Johnson Space Center.

JSC2005-E-19187 (11 May 2005) --- Astronaut Steven G. MacLean, STS-115 mission specialist representing the Canadian Space Agency, attired in a training version of the shuttle launch and entry suit, awaits the start of a water survival training session in the Neutral Buoyancy Laboratory (NBL) near Johnson Space Center.

JSC2001-E-21559 (13 July 2001) --- Astronauts Mark L. Polansky (left) and Steven G. MacLean of the Canadian Space Agency (CSA) look over information regarding the STS-104 mission at the spacecraft communicator (CAPCOM) console in the shuttle flight control room (WFCR) in Houston's Mission Control Center (MCC).

KENNEDY SPACE CENTER, FLA. - The STS-115 crew gets instructions about using the slidewire baskets for emergency egress from the space shuttle on the pad. Seen here are Mission Specialists Heidemarie Stefanyshyn-Piper and Daniel Burbank, Pilot Chris Ferguson, Mission Specialist Steven MacLean and Commander Brent Jett. MacLean is with the Canadian Space Agency. Not seen is Mission Specialist Joseph Tanner. The mission crew is at KSC for Terminal Countdown Demonstration Test (TCDT) activities that are preparation for launch on Space Shuttle Atlantis, scheduled to take place in a window that opens Aug. 27. During their 11-day mission to the International Space Station, the STS-115 crew will continue construction of the station and attach the payload elements, the Port 3/4 truss segment with its two large solar arrays. Photo credit: NASA/Cory Huston

KENNEDY SPACE CENTER, FLA. - The STS-115 crew gets instructions about using the slidewire baskets for emergency egress from the space shuttle on the pad. From left are Commander Brent Jett and Mission Specialists Steven MacLean, Heidemarie Stefanyshyn-Piper and Joseph Tanner. MacLean is with the Canadian Space Agency. Not pictured are Pilot Chris Ferguson and Mission Specialist Daniel Burbank. The mission crew is at KSC for Terminal Countdown Demonstration Test (TCDT) activities that are preparation for launch on Space Shuttle Atlantis, scheduled to take place in a window that opens Aug. 27. During their 11-day mission to the International Space Station, the STS-115 crew will continue construction of the station and attach the payload elements, the Port 3/4 truss segment with its two large solar arrays. Photo credit: NASA/Cory Huston

KENNEDY SPACE CENTER, FLA. - The STS-115 crew responds to questions from the media at a press conference on Launch Pad 39B. Seen left to right are Commander Brent Jett, Mission Specialist Steven MacLean, Pilot Chris Ferguson, and Mission Specialists Daniel Burbank, Heidemarie Stefanyshyn-Piper and Joseph Tanner. MacLean is with the Canadian Space Agency. The mission crew is at KSC for Terminal Countdown Demonstration Test activities that are preparation for launch on Space Shuttle Atlantis, scheduled to take place in a window that opens Aug. 27. The TCDT culminates in a simulated launch countdown. During their 11-day mission to the International Space Station, the STS-115 crew will continue construction of the station and attach the payload elements, the Port 3/4 truss segment with its two large solar arrays. Photo credit: NASA/Cory Huston

KENNEDY SPACE CENTER, FLA. - The STS-115 crew is in the White Room on the orbiter access arm on Launch Pad 39B to get instruction on using the emergency egress system. From left are Pilot Chris Ferguson, Commander Brent Jett, and Mission Specialists Heidemarie Stefanyshyn-Piper, Joseph Tanner, Steven MacLean and Daniel Burbank. MacLean is with the Canadian Space Agency. The White Room provides access into the orbiter through the crew access hatch. The mission crew is at KSC for Terminal Countdown Demonstration Test (TCDT) activities that are preparation for launch on Space Shuttle Atlantis, scheduled to take place in a window that opens Aug. 27. During their 11-day mission to the International Space Station, the STS-115 crew will continue construction of the station and attach the payload elements, the Port 3/4 truss segment with its two large solar arrays. Photo credit: NASA/Cory Huston

KENNEDY SPACE CENTER, FLA. - STS-115 Mission Specialist Steven MacLean has his launch suit checked for fit before the launch on Aug. 27. MacLean, who represents the Canadian Space Agency, will be making his second flight on a shuttle. Mission STS-115 is scheduled to lift off about 4:30 p.m. Aug. 27 on Space Shuttle Atlantis. The crew will deliver and install the P3/P4 segment to the port side of the integrated truss system on the International Space Station. The truss includes a new set of photovoltaic solar arrays. When unfurled to their full length of 240 feet, the arrays will provide additional power for the station in preparation for the delivery of international science modules over the next two years. The mission is expected to last 11 days and includes three scheduled spacewalks. Photo credit: NASA/Kim Shiflett

KENNEDY SPACE CENTER, FLA. - The STS-115 crew members talk about their upcoming driving practice on the M-113 armored personnel carrier with Capt. George Hoggard (back to camera), who is astronaut rescue team leader. The astronauts seen, left to right, are Mission Specialists Heidemarie Stefanyshyn-Piper, Dan Burbank, Steven MacLean and Joe Tanner, and Pilot Christopher Ferguson. Not visible is Commander Brent Jett. MacLean represents the Canadian Space Agency. The STS-115 crew are at NASA's Kennedy Space Center for Terminal Countdown Demonstration Test activities such as the M-113 training. They will also practice emergency egress from the launch pad and take part in a simulated launch countdown. Liftoff of mission STS-115 aboard Space Shuttle Atlantis is scheduled in a window beginning Aug. 27. Photo credit: NASA/Cory Huston

KENNEDY SPACE CENTER, FLA. - Following a simulated launch countdown and emergency egress practice, the STS-115 crew gathers on the 215-foot level of the fixed service structure on Launch Pad 39B. From left are Pilot Christopher Ferguson, Mission Specialists Heidemarie Stefanyshyn-Piper and Joseph Tanner, Commander Brent Jett, and Mission Specialists Steven MacLean and Daniel Burbank. MacLean is with the Canadian Space Agency. The TCDT is a prelaunch preparation for the mission that is scheduled to lift off in a window opening Aug. 27. During their 11-day mission to the International Space Station, the STS-115 crew will continue construction of the station and attach the payload elements, the Port 3/4 truss segment with its two large solar arrays. Photo credit: NASA/Cory Huston

KENNEDY SPACE CENTER, FLA. - The STS-115 crew responds to questions from the media at a press conference held on Launch Pad 39B. Seen left to right are Commander Brent Jett, Mission Specialist Steven MacLean, Pilot Chris Ferguson, and Mission Specialist Daniel Burbank. Crew members not seen are Mission Specialists Heidemarie Stefanyshyn-Piper and Joseph Tanner. MacLean is with the Canadian Space Agency. The mission crew is at KSC for Terminal Countdown Demonstration Test activities that are preparation for launch on Space Shuttle Atlantis, scheduled to take place in a window that opens Aug. 27. The TCDT culminates in a simulated launch countdown. During their 11-day mission to the International Space Station, the STS-115 crew will continue construction of the station and attach the payload elements, the Port 3/4 truss segment with its two large solar arrays. Photo credit: NASA/Cory Huston

KENNEDY SPACE CENTER, FLA. - During suit check, STS-115 Mission Specialist Steven MacLean signals confidence about the launch on Space Shuttle Atlantis on Aug. 27. MacLean, who represents the Canadian Space Agency, will be making his second flight on a shuttle. Mission STS-115 is scheduled to lift off about 4:30 p.m. Aug. 27. The crew will deliver and install the P3/P4 segment to the port side of the integrated truss system on the International Space Station. The truss includes a new set of photovoltaic solar arrays. When unfurled to their full length of 240 feet, the arrays will provide additional power for the station in preparation for the delivery of international science modules over the next two years. The mission is expected to last 11 days and includes three scheduled spacewalks. Photo credit: NASA/Kim Shiflett

KENNEDY SPACE CENTER, FLA. - During suit check, STS-115 Mission Specialist Steven MacLean waves in confidence about the launch on Space Shuttle Atlantis on Aug. 27. MacLean, who represents the Canadian Space Agency, will be making his second flight on a shuttle. Mission STS-115 is scheduled to lift off about 4:30 p.m. Aug. 27. The crew will deliver and install the P3/P4 segment to the port side of the integrated truss system on the International Space Station. The truss includes a new set of photovoltaic solar arrays. When unfurled to their full length of 240 feet, the arrays will provide additional power for the station in preparation for the delivery of international science modules over the next two years. The mission is expected to last 11 days and includes three scheduled spacewalks. Photo credit: NASA/Kim Shiflett

KENNEDY SPACE CENTER, FLA. - The STS-115 crew gets instructions about using the slidewire baskets for emergency egress from the space shuttle on the pad. At center, foreground, is Commander Brent Jett. The others, from left are Mission Specialists Joseph Tanner, gesturing, Steven MacLean, Daniel Burbank and Heidemarie Stefanyshyn-Piper. MacLean is with the Canadian Space Agency. The mission crew is at KSC for Terminal Countdown Demonstration Test (TCDT) activities that are preparation for launch on Space Shuttle Atlantis, scheduled to take place in a window that opens Aug. 27. During their 11-day mission to the International Space Station, the STS-115 crew will continue construction of the station and attach the payload elements, the Port 3/4 truss segment with its two large solar arrays. Photo credit: NASA/Cory Huston

KENNEDY SPACE CENTER, FLA. - Following a simulated launch countdown and emergency egress practice, the STS-115 crew gathers on the 215-foot level of the fixed service structure on Launch Pad 39B. From left are Pilot Christopher Ferguson, Mission Specialists Heidemarie Stefanyshyn-Piper and Joseph Tanner, Commander Brent Jett, and Mission Specialists Steven MacLean and Daniel Burbank. MacLean is with the Canadian Space Agency. Behind them loom the top of Space Shuttle Atlantis' external tank and one of the solid rocket boosters. The TCDT is a prelaunch preparation for the mission that is scheduled to lift off in a window opening Aug. 27. During their 11-day mission to the International Space Station, the STS-115 crew will continue construction of the station and attach the payload elements, the Port 3/4 truss segment with its two large solar arrays. Photo credit: NASA/Cory Huston

KENNEDY SPACE CENTER, FLA. - The STS-115 crew responds to questions from the media at a press conference held on Launch Pad 39B. Seen left to right are Commander Brent Jett, Mission Specialist Steven MacLean, Pilot Chris Ferguson, and Mission Specialists Daniel Burbank, Heidemarie Stefanyshyn-Piper and Joseph Tanner. MacLean is with the Canadian Space Agency. The mission crew is at KSC for Terminal Countdown Demonstration Test activities that are preparation for launch on Space Shuttle Atlantis, scheduled to take place in a window that opens Aug. 27. The TCDT culminates in a simulated launch countdown. During their 11-day mission to the International Space Station, the STS-115 crew will continue construction of the station and attach the payload elements, the Port 3/4 truss segment with its two large solar arrays. Photo credit: NASA/Cory Huston

KENNEDY SPACE CENTER, FLA. - The STS-115 crew is in the White Room on the orbiter access arm on Launch Pad 39B to get instruction on using the emergency egress system. From left are Commander Brent Jett, Pilot Chris Ferguson, and Mission Specialists Heidemarie Stefanyshyn-Piper, Joseph Tanner, Steven MacLean and Daniel Burbank. MacLean is with the Canadian Space Agency. he White Room provides access into the orbiter through the crew access hatch. The mission crew is at KSC for Terminal Countdown Demonstration Test (TCDT) activities that are preparation for launch on Space Shuttle Atlantis, scheduled to take place in a window that opens Aug. 27. During their 11-day mission to the International Space Station, the STS-115 crew will continue construction of the station and attach the payload elements, the Port 3/4 truss segment with its two large solar arrays. Photo credit: NASA/Cory Huston

KENNEDY SPACE CENTER, FLA. - STS-115 Mission Specialist Steven MacLean tests the fit of his helmet before launching on Aug. 27. MacLean, who represents the Canadian Space Agency, will be making his second flight on a shuttle. Mission STS-115 is scheduled to lift off about 4:30 p.m. Aug. 27 on Space Shuttle Atlantis. The crew will deliver and install the P3/P4 segment to the port side of the integrated truss system on the International Space Station. The truss includes a new set of photovoltaic solar arrays. When unfurled to their full length of 240 feet, the arrays will provide additional power for the station in preparation for the delivery of international science modules over the next two years. The mission is expected to last 11 days and includes three scheduled spacewalks. Photo credit: NASA/Kim Shiflett

KENNEDY SPACE CENTER, FLA. - The STS-115 crew gets instructions about using the slidewire baskets for emergency egress from the space shuttle on the pad. From left are Commander Brent Jett and Mission Specialists Steven MacLean, Heidemarie Stefanyshyn-Piper and Joseph Tanner, and Pilot Chris Ferguson. MacLean is with the Canadian Space Agency. Not pictured is Mission Specialist Daniel Burbank. The mission crew is at KSC for Terminal Countdown Demonstration Test (TCDT) activities that are preparation for launch on Space Shuttle Atlantis, scheduled to take place in a window that opens Aug. 27. During their 11-day mission to the International Space Station, the STS-115 crew will continue construction of the station and attach the payload elements, the Port 3/4 truss segment with its two large solar arrays. Photo credit: NASA/Cory Huston

KENNEDY SPACE CENTER, FLA. - The STS-115 crew responds to questions from the media at a press conference held on Launch Pad 39B. Seen left to right are Commander Brent Jett, Mission Specialist Steven MacLean, Pilot Chris Ferguson, and Mission Specialists Daniel Burbank, Heidemarie Stefanyshyn-Piper and Joseph Tanner. MacLean is with the Canadian Space Agency. The mission crew is at KSC for Terminal Countdown Demonstration Test activities that are preparation for launch on Space Shuttle Atlantis, scheduled to take place in a window that opens Aug. 27. The TCDT culminates in a simulated launch countdown. During their 11-day mission to the International Space Station, the STS-115 crew will continue construction of the station and attach the payload elements, the Port 3/4 truss segment with its two large solar arrays. Photo credit: NASA/Cory Huston

KENNEDY SPACE CENTER, FLA. - In the Orbiter Processing Facility, STS-115 crew members examine tiles on the orbiter Atlantis, the designated launch vehicle for their mission. From left are Mission Specialists Steven MacLean and Daniel Burbank. MacLean represents the Canadian Space Agency. The crew is at the center for Crew Equipment Interface Test activities, which involves equipment familiarization, a routine part of astronaut training and launch preparations. The mission will deliver the second port truss segment, the P3/P4 Truss, to attach to the first port truss segment, the P1 Truss, as well as deploy solar array set 2A and 4A. Launch on Space Shuttle Atlantis is scheduled for late August. Photo credit: NASA/Kim Shiflett

KENNEDY SPACE CENTER, FLA. - Following a simulated launch countdown and emergency egress practice, the STS-115 crew gathers on the 215-foot level of the fixed service structure on Launch Pad 39B. From left are Mission Specialists Joseph Tanner and Heidemarie Stefanyshyn-Piper, Commander Brent Jett, Pilot Christopher Ferguson, and Mission Specialists Steven MacLean and Daniel Burbank. MacLean is with the Canadian Space Agency. Behind them loom the top of Space Shuttle Atlantis' external tank and one of the solid rocket boosters. The TCDT is a prelaunch preparation for the mission that is scheduled to lift off in a window opening Aug. 27. During their 11-day mission to the International Space Station, the STS-115 crew will continue construction of the station and attach the payload elements, the Port 3/4 truss segment with its two large solar arrays. Photo credit: NASA/Cory Huston

KENNEDY SPACE CENTER, FLA. - The STS-115 crew is in the White Room on the orbiter access arm on Launch Pad 39B to get instruction on using the emergency egress system. From left are Commander Brent Jett, Pilot Chris Ferguson, and Mission Specialists Heidemarie Stefanyshyn-Piper, Joseph Tanner, Steven MacLean and Daniel Burbank. MacLean is with the Canadian Space Agency. The White Room provides access into the orbiter through the crew access hatch. The mission crew is at KSC for Terminal Countdown Demonstration Test (TCDT) activities that are preparation for launch on Space Shuttle Atlantis, scheduled to take place in a window that opens Aug. 27. During their 11-day mission to the International Space Station, the STS-115 crew will continue construction of the station and attach the payload elements, the Port 3/4 truss segment with its two large solar arrays. Photo credit: NASA/Cory Huston

KENNEDY SPACE CENTER, FLA. - The crew of mission STS-115 arrives at NASA Kennedy Space Center's Shuttle Landing Facility to prepare for launch on Aug. 27 to the International Space Station. Seen here is Mission Specialist Steven MacLean, who will be making his second flight on the shuttle. MacLean is with the Canadian Space Agency. The mission will deliver and install the 17-and-a-half-ton P3/Pr truss segment to the port side of the integrated truss system on the orbital outpost. The truss includes a new set of photovoltaic solar arrays. When unfurled to their full length of 240 feet, the arrays will provide additional power for the station in preparation for the delivery of international science modules over the next two years. STS-115 is expected to last 11 days and includes three scheduled spacewalks. Photo credit: NASA/Kim Shiflett

KENNEDY SPACE CENTER, FLA. - STS-115 Mission Specialists Daniel Burbank (left) and Steven MacLean get help with their launch suits from the closeout crew before entering Space Shuttle Atlantis. Both astronauts are making their second shuttle flights. MacLean is with the Canadian Space Agency. During the mission, Atlantis' astronauts will deliver and install the 17.5-ton, bus-sized P3/P4 integrated truss segment on the station. The girder-like truss includes a set of giant solar arrays, batteries and associated electronics and will provide one-fourth of the total power-generation capability for the completed station. This mission is the 116th space shuttle flight, the 27th flight for orbiter Atlantis, and the 19th U.S. flight to the International Space Station. STS-115 is scheduled to last 11 days with a planned landing at KSC

KENNEDY SPACE CENTER, FLA. - In the White Room on Launch Pad 39B, STS-115 Mission Specialist Steven MacLean adjusts his launch suit while talking with the closeout crew. MacLean, who represents the Canadian Space Agency, is making his second shuttle flight. During the mission, Atlantis' astronauts will deliver and install the 17.5-ton, bus-sized P3/P4 integrated truss segment on the station. The girder-like truss includes a set of giant solar arrays, batteries and associated electronics and will provide one-fourth of the total power-generation capability for the completed station. This mission is the 116th space shuttle flight, the 27th flight for orbiter Atlantis, and the 19th U.S. flight to the International Space Station. STS-115 is scheduled to last 11 days with a planned landing at KSC

KENNEDY SPACE CENTER, FLA. - The STS-115 crew members are ready to climb into the M-113 armored personnel carrier with Capt. George Hoggard (back to camera), who is astronaut rescue team leader. The astronauts seen, left to right, are Mission Specialist Heidemarie Stefanyshyn-Piper, Commander Brent Jett, Mission Specialists Dan Burbank, Steven MacLean and Joe Tanner, and Pilot Christopher Ferguson. MacLean represents the Canadian Space Agency.The STS-115 crew are at NASA's Kennedy Space Center for Terminal Countdown Demonstration Test activities such as the M-113 training. They will also practice emergency egress from the launch pad and take part in a simulated launch countdown. Liftoff of mission STS-115 aboard Space Shuttle Atlantis is scheduled in a window beginning Aug. 27. Photo credit: NASA/Cory Huston

KENNEDY SPACE CENTER, FLA. - Inside Atlantis' cockpit, STS-115 Mission Specialists Daniel Burbank (front) and Steven MacLean, are taking part in a simulated launch countdown, the culmination of Terminal Countdown Demonstration Test activities. The TCDT is a prelaunch preparation for the mission that is scheduled to lift off in a window opening Aug. 27. During their 11-day mission to the International Space Station, the STS-115 crew will continue construction of the station and attach the payload elements, the Port 3/4 truss segment with its two large solar arrays.

JSC2006-E-34241 (11 August 2006) --- The STS-115 crew posed for photos following its August 11 preflight press briefing at the Johnson Space Center. From the left are astronauts Joseph R. Tanner, Heidemarie M. Stefanyshyn-Piper, Brent W. Jett Jr., Christopher J. Ferguson, Steven G. MacLean (Canadian Space Agency) and Daniel C. Burbank.

JSC2005-E-21191 (7 June 2005) --- Astronaut Steven G. MacLean, STS-115 mission specialist representing the Canadian Space Agency, uses the virtual reality lab at the Johnson Space Center to train for his duties aboard the space shuttle. This type of computer interface, paired with virtual reality training hardware and software, helps to prepare the entire team for dealing with space station elements.

JSC2005-E-17421 (28 April 2005) --- Crew trainer David Pogue (right) briefs STS-115 crewmembers during an emergency egress training session in the Space Vehicle Mockup Facility at Johnson Space Center. From the left are astronauts Brent W. Jett Jr., commander; Joseph R. (Joe) Tanner and Daniel C. Burbank, both mission specialists; Christopher J. Ferguson, pilot; Heidemarie M. Stefanyshyn-Piper, mission specialist; and Steven G. MacLean, mission specialist representing the Canadian Space Agency.

These six astronauts take a break from training to pose for the STS-115 crew portrait. Astronauts Brent W. Jett, Jr. (right) and Christopher J. Ferguson, commander and pilot, respectively, flank the mission insignia. The mission specialists are, from left to right, astronauts Heidemarie M. Stefanyshyn-Piper, Joseph R. (Joe) Tanner, Daniel C. Burbank, and Steven G. MacLean, who represents the Canadian Space Agency. This mission continued the assembly of the International Space Station (ISS) with the installation of the truss segments P3 and P4.

JSC2005-E-13817 (5 April 2005) --- Astronaut Steven G. MacLean, STS-115 mission specialist representing the Canadian Space Agency, attired in a training version of the shuttle launch and entry suit, awaits the start of an emergency egress training session in the Space Vehicle Mockup Facility at the Johnson Space Center. Astronaut Heidemarie M. Stefanyshyn-Piper, mission specialist, is visible in the background.

JSC2005-E-19203 (11 May 2005) --- Astronauts Brent W. Jett Jr. (left), STS-115 commander; Daniel C. Burbank, mission specialist; and Steven G. MacLean, mission specialist representing the Canadian Space Agency, attired in training versions of the shuttle launch and entry suit, observe fellow crewmembers during an emergency egress training session in the Neutral Buoyancy Laboratory (NBL) near Johnson Space Center.

JOHNSON SPACE CENTER, TX - STS115-S-002 (November 8, 2002) -- These six astronauts take a break from training to pose for the STS-115 crew portrait. Astronauts Brent W. Jett Jr. (right) and Christopher J. Ferguson, command and pilot respectively, flank the mission insignia. The mission specialists are, from left to right, astronauts Heidemarie M. Stefanyshyn-Piper, Joseph R. (Joe) Tanner, Daniel C. Burbank, and Steven G. MacLean, who represents the Canadian Space Agency.

STS052-S-002 (August 1992) --- These five NASA astronauts and a Canadian payload specialist are assigned to the flight, scheduled for later this year. Pictured on the back row are, left to right, astronauts Michael A. Baker, pilot; James D. Wetherbee, mission commander; and Steven G. MacLean, payload specialist representing the Canadian Space Agency (CSA). In front are, left to right, astronauts Charles L. (Lacy) Veach, Tamara E. Jernigan and William M. Shepherd, all mission specialists.

STS115-S-002 (8 November 2002) --- These six astronauts take a break from training to pose for the STS-115 crew portrait. Astronauts Brent W. Jett, Jr. (right) and Christopher J. Ferguson, commander and pilot, respectively, flank the mission insignia. The mission specialists are, from left to right, astronauts Heidemarie M. Stefanyshyn-Piper, Joseph R. (Joe) Tanner, Daniel C. Burbank, and Steven G. MacLean, who represents the Canadian Space Agency.

ISS013-E-81541 (14 Sept. 2006) --- STS-115 crewmembers photographed while working in the Destiny laboratory of the International Space Station while Space Shuttle Atlantis was docked with the station. From the left are astronauts Joseph R. Tanner, Daniel C. Burbank, Heidemarie M. Stefanyshyn-Piper, Steven G. MacLean representing the Canadian Space Agency, all mission specialists; and Brent W. Jett, Jr., commander.

JSC2006-E-31904 (2 Aug. 2006) --- Astronaut Steven G. MacLean (seated), STS-115 mission specialist representing the Canadian Space Agency, observes training activities of his crewmates from the simulation control area in the Neutral Buoyancy Laboratory (NBL) at the Sonny Carter Training Facility (SCTF) near Johnson Space Center. EVA instructor John V. Ray stands nearby to offer assistance.

KENNEDY SPACE CENTER, FLA. - After a week's delay of launching due to weather and technical issues, the crew of mission STS-115 enjoy the traditional breakfast before their second attempt to launch on Space Shuttle Atlantis. Seated left to right are Mission Specialists Joseph Tanner and Heidemarie Stefanyshyn-Piper, Pilot Christopher Ferguson, Commander Brent Jett and Mission Specialists Steven MacLean and Daniel Burbank. MacLean is with the Canadian Space Agency. Following the breakfast, the crew will don their launch suits before heading to Launch Pad 39B. During the STS-115 mission, Atlantis' astronauts will deliver and install the 17.5-ton, bus-sized P3/P4 integrated truss segment on the station. The girder-like truss includes a set of giant solar arrays, batteries and associated electronics and will provide one-fourth of the total power-generation capability for the completed station. This mission is the 116th space shuttle flight, the 27th flight for orbiter Atlantis, and the 19th U.S. flight to the International Space Station. STS-115 is scheduled to last 11 days with a planned landing at KSC. Photo credit: NASA/Kim Shiflett

KENNEDY SPACE CENTER, FLA. - After a week's delay of launching due to weather and technical issues, the crew of mission STS-115 have had the traditional breakfast before their third attempt to launch on Space Shuttle Atlantis. Seated left to right are Mission Specialists Heidemarie Stefanyshyn-Piper and Joseph Tanner, Commander Brent Jett, Pilot Christopher Ferguson and Mission Specialists Steven MacLean and Daniel Burbank. MacLean is with the Canadian Space Agency. The launch attempt on Sept. 8 was scrubbed due to an issue with a fuel cut-off sensor system inside the external fuel tank. This is one of several systems that protect the shuttle's main engines by triggering their shutdown if fuel runs unexpectedly low. Following the breakfast, the crew will don their launch suits before heading to Launch Pad 39B. During the STS-115 mission, Atlantis' astronauts will deliver and install the 17.5-ton, bus-sized P3/P4 integrated truss segment on the station. The girder-like truss includes a set of giant solar arrays, batteries and associated electronics and will provide one-fourth of the total power-generation capability for the completed station. This mission is the 116th space shuttle flight, the 27th flight for orbiter Atlantis, and the 19th U.S. flight to the ISS. STS-115 is scheduled to last 11 days with a planned landing at KSC. Photo credit: NASA/Kim Shiflett

KENNEDY SPACE CENTER, FLA. - The crew of mission STS-115 stop to talk to the media after arriving at NASA Kennedy Space Center's Shuttle Landing Facility to prepare for a second launch attempt on Sept. 6 to the International Space Station. Seen here is Mission Specialist Steven MacLean, who will be making his second flight on the shuttle. MacLean is with the Canadian Space Agency. Mission managers cancelled Atlantis' first launch campaign due to a lightning strike at the pad and the passage of Tropical Storm Ernesto along Florida's east coast. The mission will deliver and install the 17-and-a-half-ton P3/P4 truss segment to the port side of the integrated truss system on the orbital outpost. The truss includes a new set of photovoltaic solar arrays. When unfurled to their full length of 240 feet, the arrays will provide additional power for the station in preparation for the delivery of international science modules over the next two years. STS-115 is expected to last 11 days and includes three scheduled spacewalks. Photo credit: NASA/Kim Shiflett

KENNEDY SPACE CENTER, FLA. - The STS-115 crew walks out of the Operations and Checkout Building to head for Launch Pad 39B. Leading the way on the left is Pilot Christopher Ferguson; behind him are Mission Specialists Steven MacLean and Heidemarie Stefanyshyn-Piper. Leading on the right is Commander Brent Jett; behind him re Mission Specialists Daniel Burbank and Joseph Tanner. MacLean is with the Canadian Space Agency. They are taking part in a simulated launch countdown as part of the preparation for the liftoff of Space Shuttle Atlantis on mission STS-115, scheduled to take place in a window that opens Aug. 27. The mission crew has been at KSC for Terminal Countdown Demonstration Test (TCDT) activities, which include emergency egress training and the simulation. During their 11-day mission to the International Space Station, the crew will continue construction of the station and attach the payload elements, the Port 3/4 truss segment with its two large solar arrays. Photo courtesy of Scott Andrews/Nikon

KENNEDY SPACE CENTER, FLA. - The crew of mission STS-115 arrives at NASA Kennedy Space Center's Shuttle Landing Facility to prepare for launch on Aug. 27 to the International Space Station. They have paused to talk to the media before heading to crew quarters in the Operations and Checkout Building. From left are Mission Specialists Steven MacLean, Joseph Tanner and Heidemarie Stefanyshyn-Piper, Commander Brent Jett, Pilot Christopher Ferguson and Mission Specialist Daniel Burbank. MacLean represents the Canadian Space Agency. The mission will deliver and install the 17-and-a-half-ton P3/P4 truss segment to the port side of the integrated truss system on the orbital outpost. The truss includes a new set of photovoltaic solar arrays. When unfurled to their full length of 240 feet, the arrays will provide additional power for the station in preparation for the delivery of international science modules over the next two years. STS-115 is expected to last 11 days and includes three scheduled spacewalks. Photo credit: NASA/Kim Shiflett

KENNEDY SPACE CENTER, FLA. - In the Operations and Checkout Building at NASA Kennedy Space Center, STS-115 Mission Specialist Steven MacLean dons his helmet to complete suiting up for another attempt at liftoff. MacLean is with the Canadian Space Agency. The launch attempt on Sept. 8 was scrubbed due to an issue with a fuel cut-off sensor system inside the external fuel tank. This is one of several systems that protect the shuttle's main engines by triggering their shutdown if fuel runs unexpectedly low. During the STS-115 mission, Atlantis' astronauts will deliver and install the 17.5-ton, bus-sized P3/P4 integrated truss segment on the station. The girder-like truss includes a set of giant solar arrays, batteries and associated electronics and will provide one-fourth of the total power-generation capability for the completed station. This mission is the 116th space shuttle flight, the 27th flight for orbiter Atlantis, and the 19th U.S. flight to the ISS. STS-115 is scheduled to last 11 days with a planned landing at KSC. Photo credit: NASA/Kim Shiflett

KENNEDY SPACE CENTER, FLA. - In the Operations and Checkout Building at NASA Kennedy Space Center, STS-115 Mission Specialist Steven MacLean signals "go" for another attempt at liftoff. MacLean is with the Canadian Space Agency. The launch attempt on Sept. 8 was scrubbed due to an issue with a fuel cut-off sensor system inside the external fuel tank. This is one of several systems that protect the shuttle's main engines by triggering their shutdown if fuel runs unexpectedly low. During the STS-115 mission, Atlantis' astronauts will deliver and install the 17.5-ton, bus-sized P3/P4 integrated truss segment on the station. The girder-like truss includes a set of giant solar arrays, batteries and associated electronics and will provide one-fourth of the total power-generation capability for the completed station. This mission is the 116th space shuttle flight, the 27th flight for orbiter Atlantis, and the 19th U.S. flight to the ISS. STS-115 is scheduled to last 11 days with a planned landing at KSC. Photo credit: NASA/Kim Shiflett

KENNEDY SPACE CENTER, FLA. - The STS-115 crew poses for the media before a press conference on Launch Pad 39B. Seen left to right are Mission Specialist Steven MacLean, Commander Brent Jett, Mission Specialist Daniel Burbank, Pilot Chris Ferguson, and Mission Specialists Heidemarie Stefanyshyn-Piper and Joseph Tanner. MacLean is with the Canadian Space Agency. The mission crew is at KSC for Terminal Countdown Demonstration Test activities that are preparation for launch on Space Shuttle Atlantis, scheduled to take place in a window that opens Aug. 27. Behind the crew is the shuttle, surrounded by the fixed and rotating service structures, with the orange external tank and while solid rocket boosters showing. The TCDT culminates in a simulated launch countdown. During their 11-day mission to the International Space Station, the STS-115 crew will continue construction of the station and attach the payload elements, the Port 3/4 truss segment with its two large solar arrays. Photo credit: NASA/Cory Huston

KENNEDY SPACE CENTER, FLA. - The STS-115 crew members are suiting up for their simulated launch countdown. Shown here is Mission Specialist Steven MacLean, who is with the Canadian Space Agency. The mission crew is at KSC for Terminal Countdown Demonstration Test (TCDT) activities that are preparation for launch on Space Shuttle Atlantis, scheduled to take place in a window that opens Aug. 27. The TCDT has included emergency egress training as well as the simulation. During their 11-day mission to the International Space Station, the STS-115 crew will continue construction of the station and attach the payload elements, the Port 3/4 truss segment with its two large solar arrays. Photo credit: NASA/Cory Huston

JSC2006-E-41540 (22 Sept. 2006) --- The astronauts who yesterday completed the successful STS-115 mission are pictured on a dais in a hangar at Ellington Field after returning to Houston from the Kennedy Space Center, site of the Sept. 21 landing of the Space Shuttle Atlantis. JSC Director Michael Coats addresses the crowd on hand for the event. Seated, from left, are astronauts Brent W. Jett Jr., commander; Christopher J. Ferguson, pilot; Joseph R. Tanner, Daniel C. Burbank, Heidemarie M. Stefanyshyn-Piper, and the Canadian Space Agency's Steven G. MacLean, all mission specialists.

STS052-S-098 (1 Nov 1992) --- This ground-level side view shows the Space Shuttle Columbia just prior to main landing gear touchdown at KSC's Shuttle Landing Facility to successfully complete a ten-day Earth-orbital mission. Onboard were a crew of five NASA astronauts and a Canadian payload specialist. Landing occurred at 9:05:53 a.m. (EST), November 1, 1992. Crewmembers are astronauts James D. Wetherbee, Michael A. Baker, Tamara E. Jernigan, Charles L. (Lacy) Veach and William M. Shepherd along with payload specialist Steven G. MacLean. The view was recorded with a 35mm camera.

KENNEDY SPACE CENTER, FLA. - STS-115 Commander Brent Jett is ready to practice driving the M-113 armored personnel carrier. Behind him are seen Mission Specialists Daniel Burbank and Steven MacLean, who represents the Canadian Space Agency. The STS-115 crew are at NASA's Kennedy Space Center for Terminal Countdown Demonstration Test activities such as the M-113 training. They will also practice emergency egress from the launch pad and take part in a simulated launch countdown. Liftoff of mission STS-115 aboard Space Shuttle Atlantis is scheduled in a window beginning Aug. 27. Photo credit: NASA/Cory Huston

KENNEDY SPACE CENTER, FLA. - STS-115 Mission Specialists Steven MacLean (left) and Joseph Tanner are ready to release the slidewire basket on Launch Pad 39B, practicing emergency egress procedures. The activity follows a simulated launch countdown, part of Terminal Countdown Demonstration Test activities. The TCDT is a prelaunch preparation for the mission that is scheduled to lift off in a window opening Aug. 27. During their 11-day mission to the International Space Station, the STS-115 crew will continue construction of the station and attach the payload elements, the Port 3/4 truss segment with its two large solar arrays. Photo credit: NASA/Cory Huston

KENNEDY SPACE CENTER, FLA. - In the Space Station Processing Facility at NASA's Kennedy Space Center, STS-115 Mission Specialist Steve Maclean is installing a solar alpha rotary joint drive lock assembly multilayer installation cover. He and other crew members are at the center for Crew Equipment Interface Test activities. Equipment familiarization is a routine part of astronaut training and launch preparations. The mission will deliver the second port truss segment, the P3/P4 Truss, to attach to the first port truss segment, the P1 Truss, as well as deploy solar array set 2A and 4A. Launch on Space Shuttle Atlantis is scheduled for late August. Photo credit: NASA/Kim Shiflett

STS052-S-099 (1 Nov. 1992) --- This three-quarter front view shows the Space Shuttle Columbia just after deployment of the drag chute during landing at KSC's Shuttle Landing Facility. Onboard were a crew of five NASA astronauts and a Canadian payload specialist. Landing occurred at 9:05:53 a.m. (EST), November 1, 1992. Crewmembers are astronauts James D. Wetherbee, Michael A. Baker, Tamara E. Jernigan, Charles L. (Lacy) Veach and William M. Shepherd along with payload specialist Steven G. MacLean. The photo was taken with a 35mm camera.

Commander Brent Jett (center) talks with employees and visitors at NASA Stennis Space Center. The astronauts of NASA's STS-115 space shuttle mission visited SSC in south Mississippi to share highlights of their 12-day mission and to thank SSC employees for the reliability of the space shuttle's main engines, which helped propel Space Shuttle Atlantis into orbit. STS-115's other crewmembers are (from left) Mission Specialists Joe Tanner, Dan Burbank, Heidemarie Stefanyshyn-Piper and Steve MacLean of the Canadian Space Agency. The mission launched Sept. 9, 2006, resuming construction of the International Space Station.

KENNEDY SPACE CENTER, FLA. - STS-115 Mission Specialist Joseph Tanner is ready to practice driving the M-113 armored personnel carrier. Behind him is seen Mission Specialist Steven MacLean, who represents the Canadian Space Agency. The STS-115 crew are at NASA's Kennedy Space Center for Terminal Countdown Demonstration Test activities such as the M-113 training. They will also practice emergency egress from the launch pad and take part in a simulated launch countdown. Liftoff of mission STS-115 aboard Space Shuttle Atlantis is scheduled in a window beginning Aug. 27. Photo credit: NASA/Cory Huston

KENNEDY SPACE CENTER, FLA. - The STS-115 crew members conclude their emergency egress procedures on Launch Pad 39B. In the foreground is Mission Specialist Steven MacLean, who is with the Canadian Space Agency. At right is Mission Specialist Joseph Tanner. At far left is Mission Specialist Heidemarie Stefanyshyn-Piper. The TCDT is a prelaunch preparation for the mission that is scheduled to lift off in a window opening Aug. 27. During their 11-day mission to the International Space Station, the STS-115 crew will continue construction of the station and attach the payload elements, the Port 3/4 truss segment with its two large solar arrays. Photo credit: NASA/Cory Huston

KENNEDY SPACE CENTER, FLA. - The STS-115 crew members are suiting up for their simulated launch countdown. Shown here fixing his glove is Mission Specialist Steven MacLean, who is with the Canadian Space Agency. The mission crew is at KSC for Terminal Countdown Demonstration Test (TCDT) activities that are preparation for launch on Space Shuttle Atlantis, scheduled to take place in a window that opens Aug. 27. The TCDT has included emergency egress training as well as the simulation. During their 11-day mission to the International Space Station, the STS-115 crew will continue construction of the station and attach the payload elements, the Port 3/4 truss segment with its two large solar arrays. Photo credit: NASA/Cory Huston