JSC2001-E-44742 (December 2001) --- Astronaut Michael J. Massimino, STS-109 mission specialist, dons a training version of the Extravehicular Mobility Unit (EMU) space suit prior to a mission training session in the Environmental Test Article (ETA) Chamber in the Crew Systems Laboratory at Johnson Space Center (JSC).

JSC2008-E-141532 (6 Nov. 2008) --- Astronauts Mike Massimino and Michael Good (partially obscured), both STS-125 mission specialists, are about to be submerged in the waters of the Neutral Buoyancy Laboratory (NBL) near NASA's Johnson Space Center. Massimino and Good are attired in training versions of their Extravehicular Mobility Unit (EMU) spacesuit. SCUBA-equipped divers are in the water to assist the crewmembers in their rehearsal, intended to help prepare them for work on the Hubble Space Telescope.

Prince Philip greets astronauts from STS-125 L to R Andrew J Feustel, Michael T Goode, K. Megan McArthur, Michael J. Massimino, Gregory C. Johnson, and Commander Scott D. Altman. Photo Credit: (NASA/Chris Gunn)

Astronauts from the STS-125 mission to repair the Hubble Space Telescope shared accounts of their mission today at StenniSphere. The crewmembers-Commander Scott Altman, Pilot Greg Johnson and Mission Specialists Megan McArthur, Michael Good, Drew Feustel and Mike Massimino-thanked Stennis employees for their contributions to the success of the mission and presented a plaque to Marina Benigno, director of center operations. Pictured are (l to r) Massimino, Good, Feustel, Altman, McArthur and Johnson.

NASA Apollo 7 Astronaut Walt Cunningham, left, and NASA STS-125 Mission Specialist Michael Massimino talk with another guest during the opening of "Alan Bean: Painting Apollo, First Artist on Another World" by NASA Apollo 12 Astronaut and Artist Alan Bean at the National Air and Space Museum, Monday, July 20, 2009 in Washington. The show opening coincided with the 40th anniversary celebration of Apollo. Photo Credit: (NASA/Bill Ingalls)

STS-125 crew members from left, Commander Scott Altman, Pilot Gregory Johnson, Mission Specialist Michael Good, Mission Specialist Megan McArthur, Mission Specialist John Grunsfeld, Mission Specialist Michael Massimino and Mission Specialist Andrew Feustel, are seen during a press conference, Wednesday, Sept. 9, 2009, after astronomers declared the NASA's Hubble Space Telescope a fully rejuvenated observatory with the release Wednesday of observations from four of its six operating science instruments at NASA Headquarters in Washington. Photo Credit: (NASA/Paul E. Alers)

STS-125 crew member John Grunsfeld, left, looks on as crew member Michael Massimino holds up a part that was replaced on the Hubble Space Telescope, during a press conference, Wednesday, Sept. 9, 2009, after astronomers declared the telescope a fully rejuvenated observatory with the release Wednesday of observations from four of its six operating science instruments at NASA Headquarters in Washington. Photo Credit: (NASA/Paul E. Alers)

STS-125 shuttle mission crew members, from left, Scott Altman, Gregory Johnson, Megan McArthur, Andrew Feustel, John Grunsfeld, Michael Good and Michael Massimino, give a presentation at the NASA Tweetup event held at NASA Headquarters, July 21, 2009 in Washington. Nearly 200 of NASA's Twitter followers are in attendance, which featured a presentation and a question and answer session with the crew of the STS-125 shuttle mission to repair the Hubble Space Telescope. Photo Credit: (Carla Cioffi)

Jazz pianist and singer Diana Krall holds a montage given to her by the STS-125 space shuttle crew along with Apollo 11 Astronaut Neil Armstrong at the Apollo 40th anniversary celebration held at the National Air and Space Museum, Monday, July 20, 2009 in Washington. From left, Michael J. Massimino, Michael T. Good, Gregory C. Johnson, Andrew J. Feustel, Krall, Scott D. Altman, Neil Armstrong, John M. Grunsfeld and Megan McArthur. Photo Credit: (NASA/Bill Ingalls)

Italian Ambassador Giovanni Castellaneta, second from left, is presented with a montage by STS-125 Mission Specialist Mike Massimino, second from right, during a visit by the crew of STS-125 to the Embassy of Italy in Washington, Thursday, July 23, 2009. Other crew members, from left are Mission Specialists, Michael Good, Megan McArthur, John Grunsfeld, Commander Scott Altman and Andrew Feustel, far right. Photo Credit: (NASA/Bill Ingalls)

jsc2021e063275--Leadership team meets with Professor and Former Astronaut Michael Massimino Pictured from left to right: Michael Massimino, Swati Ravi, Hugo Favila, Kalpana Ganeshan, Alfonso Ussia

JSC2001-02670 (November 2001) --- Astronaut Michael J. Massimino, mission specialist.

JOHNSON SPACE CENTER, HOUSTON, TEXAS -- (JSC 2001-02670) -- Officiall portrait of astronaut Michael J. Massimino, mission specialist

JSC2008-E-008449 (29 Jan. 2008) --- Astronaut Michael J. Massimino, STS-125 mission specialist, dons a training version of his shuttle launch and entry suit in preparation for a training session in the Space Vehicle Mockup Facility at Johnson Space Center. United Space Alliance (USA) suit technicians assisted Massimino.

JSC2007-E-113611 (18 Dec. 2007) --- Astronauts Michael J. Massimino and Michael T. Good (partially obscured), both STS-125 mission specialists, are about to be submerged in the waters of the Neutral Buoyancy Laboratory (NBL) near Johnson Space Center. Massimino and Good are attired in training versions of the Extravehicular Mobility Unit (EMU) spacesuit. SCUBA-equipped divers (out of frame) are in the water to assist the crewmembers in their rehearsal, intended to help prepare them for work on the Hubble Space Telescope.

JSC2008-E-141520 (6 Nov. 2008) --- Astronaut Mike Massimino, STS-125 mission specialist, gets help in the donning a training version of his Extravehicular Mobility Unit (EMU) spacesuit prior to being submerged in the waters of the Neutral Buoyancy Laboratory (NBL) near NASA's Johnson Space Center.

JSC2008-E-141528 (6 Nov. 2008) --- Astronaut Mike Massimino, STS-125 mission specialist, gets help with final touches in the donning of a training version of his Extravehicular Mobility Unit (EMU) spacesuit prior to being submerged in the waters of the Neutral Buoyancy Laboratory (NBL) near NASA's Johnson Space Center. Astronaut John Grunsfeld, mission specialist, assisted Massimino.

JSC2008-E-141517 (6 Nov. 2008) --- Astronaut Michael Good, STS-125 mission specialist, dons a training version of his Extravehicular Mobility Unit (EMU) spacesuit prior to being submerged in the waters of the Neutral Buoyancy Laboratory (NBL) near NASA's Johnson Space Center. Astronaut Andrew Feustel, mission specialist, assisted Good.

JSC2008-E-141519 (6 Nov. 2008) --- Astronaut Michael Good, STS-125 mission specialist, dons a training version of his Extravehicular Mobility Unit (EMU) spacesuit prior to being submerged in the waters of the Neutral Buoyancy Laboratory (NBL) near NASA's Johnson Space Center. Astronaut Andrew Feustel, mission specialist, assisted Good.

JSC2007-E-113505 (17 Dec. 2007) --- Astronauts Michael J. Massimino (left) and Michael T. Good, STS-125 mission specialists, participate in a training session at consoles in the simulation control area in the Neutral Buoyancy Laboratory (NBL) at the Sonny Carter Training Facility (SCTF) near Johnson Space Center (JSC).

Prince Philip, left, speaks with veteran space walkers John M. Grunsfeld, center, and Michael J. Massimino at NASA's Goddard Space Flight Center. Photo Credit: (NASA/Chris Gunn)

JSC2002-E-09344 (13 March 2002) --- Astronaut Michael J. Massimino, STS-109 mission specialist, speaks from the lectern in Hangar 990 at Ellington Field during the crew return ceremonies.

JSC2002-E-05103 (15 February 2002) --- Astronaut Michael J. Massimino, STS-109 mission specialist, responds to a query during a pre-flight press conference at Johnson Space Center (JSC).

JSC2002-E-01740 (16 January 2002) --- Astronaut Michael J. Massimino, STS-109 mission specialist, photographed in a T-38 trainer jet, prepares for a flight at Ellington Field near Johnson Space Center (JSC).

JSC2002-E-09321 (13 March 2002) --- Astronaut Michael J. Massimino, STS-109 mission specialist, greets the assembled crowd in Hangar 990 at Ellington Field during the crew return ceremonies.

JSC2006-E-47129 (31 Oct. 2006) --- Astronaut Michael J. Massimino, STS-125 mission specialist for the newly announced final shuttle crew to visit and work on the Hubble Space Telescope.

JSC2001-01543 (24 May 2001) --- Astronaut Michael J. Massimino, STS-109 mission specialist, is briefed by United Space Alliance (USA) crew trainer David Pogue on the usage of the Sky-genie device, used to lower oneself from a troubled shuttle, in a training session in the Space Vehicle Mockup Facility at the Johnson Space Center (JSC). Massimino is wearing a training version of the full-pressure launch and entry suit. STS-109 will be the 108th shuttle flight and the fourth Hubble Space Telescope (HST) servicing mission.

S125-E-008728 (17 May 2009) --- Astronaut Mike Massimino, STS-125 mission specialist, participates in the mission?s fourth session of extravehicular activity (EVA) as work continues to refurbish and upgrade the Hubble Space Telescope. During the eight-hour, two-minute spacewalk, Massimino and astronaut Michael Good (out of frame), mission specialist, continued repairs and improvements to the Space Telescope Imaging Spectrograph (STIS) that will extend the Hubble?s life into the next decade.

S125-E-008651 (17 May 2009) --- Astronauts Michael Good (bottom) and Mike Massimino, both STS-125 mission specialists, participate in the mission?s fourth session of extravehicular activity (EVA) as work continues to refurbish and upgrade the Hubble Space Telescope. During the eight-hour, two-minute spacewalk, Massimino and Good continued repairs and improvements to the Space Telescope Imaging Spectrograph (STIS) that will extend the Hubble?s life into the next decade.

S125-E-007537 (15 May 2009) --- Astronaut Mike Massimino works with the Hubble Space Telescope in the cargo bay of the Earth-orbiting Space Shuttle Atlantis. Astronauts Massimino and Michael Good (out of frame) participated in the second session of STS-125 extravehicular activity -- as part of a five-day beehive-like agenda of spacewalking and work on the giant orbital observatory.

S125-E-008656 (17 May 2009) --- Astronauts Michael Good (left) and Mike Massimino, both STS-125 mission specialists, participate in the mission?s fourth session of extravehicular activity (EVA) as work continues to refurbish and upgrade the Hubble Space Telescope. During the eight-hour, two-minute spacewalk, Massimino and Good continued repairs and improvements to the Space Telescope Imaging Spectrograph (STIS) that will extend the Hubble?s life into the next decade.

JSC2001-01889 (22 June 2001) --- Astronaut Michael J. Massimino, STS-109 mission specialist, dons a training version of the full-pressure launch and entry suit prior to a training session in one of the trainer/mockups (out of frame) in the Space Vehicle Mockup Facility at the Johnson Space Center (JSC). Massimino is assisted by United Space Alliance (USA) suit technician Lloyd Armintor. STS-109 will be the 108th shuttle flight and the fourth Hubble Space Telescope (HST) servicing mission.

S125-E-008633 (17 May 2009) --- Astronauts Michael Good (left) and Mike Massimino, both STS-125 mission specialists, participate in the mission?s fourth session of extravehicular activity (EVA) as work continues to refurbish and upgrade the Hubble Space Telescope. During the eight-hour, two-minute spacewalk, Massimino and Good continued repairs and improvements to the Space Telescope Imaging Spectrograph (STIS) that will extend the Hubble?s life into the next decade.

STS109-E-5688 (7 March 2002) --- Astronaut Scott D. Altman, mission commander, assists astronaut Michael J. Massimino, mission specialist, with suit-donning tasks prior to the STS-109 mission's fourth space walk (EVA-4). Astronauts Massimino and James H. Newman went on to install the new Advanced Camera for Surveys (ACS) on the Hubble Space Telescope (HST). The image was recorded with a digital still camera.

STS109-E-5388 (5 March 2002) --- Astronaut Michael J. Massimino, mission specialist, checks a tool in the cargo bay of the Space Shuttle Columbia during the STS-109 mission's second day of extravehicular activity (EVA). Astronauts Massimino and James H. Newman worked to replace the second set of solar arrays on the Hubble Space Telescope (HST). The image was recorded with a digital still camera.

JSC2008-E-118378 (25 Sept. 2008) --- Astronauts Mike Massimino and Michael Good (partially obscured), both STS-125 mission specialists, are about to be submerged in the waters of the Neutral Buoyancy Laboratory (NBL) near NASA's Johnson Space Center. Massimino and Good are attired in training versions of their Extravehicular Mobility Unit (EMU) spacesuit. SCUBA-equipped divers (out of frame) are in the water to assist the crewmembers in their rehearsal, intended to help prepare them for work on the Hubble Space Telescope.

S125-E-007511 (15 May 2009) --- Astronaut Mike Massimino works with the Hubble Space Telescope in the cargo bay of the Earth-orbiting Space Shuttle Atlantis. Astronauts Massimino and Michael Good (out of frame) participated in the second session of STS-125 extravehicular activity -- as part of a five-day beehive-like agenda of spacewalking and work on the giant orbital observatory.

STS109-E-5636 (5 March 2002) --- Astronauts Michael J. Massimino (on the end of Columbia's robotic arm) and James H. Newman (positioned just to the right of Massimino above the shuttle's longerons) perform the second of five scheduled STS-109 space walks to service and upgrade the Hubble Space Telescope (HST). The image was recorded with a digital still camera.

S125-E-007534 (15 May 2009) --- Astronaut Mike Massimino works with the Hubble Space Telescope in the cargo bay of the Earth-orbiting Space Shuttle Atlantis. Astronauts Massimino and Michael Good (out of frame) participated in the second session of STS-125 extravehicular activity -- as part of a five-day beehive-like agenda of spacewalking and work on the giant orbital observatory.

STS109-328-018 (5 March 2002) --- Astronaut Michael J. Massimino, STS-109 mission specialist, peers into Columbia's crew cabin during a brief break in work on the Hubble Space Telescope (HST), latched down just a few feet behind him in Columbia's cargo bay. Astronauts Massimino and James H. Newman were making their second extravehicular activity (EVA) of the mission.

STS109-328-026 (5 March 2002) --- Perched on the end of the Columbia's remote manipulator system (RMS) arm, astronaut Michael J. Massimino, removes the old solar array on the port side of the Hubble Space Telescope (HST). Astronauts Massimino and James H. Newman went on to replace the array with a new one. A day earlier, two other astronauts accomplished the same feat on the starboard side.

STS109-E-5008 (3 March 2002) --- On the mid deck of the Space Shuttle Columbia, astronauts John M. Grunsfeld (foreground), payload commander, and Michael J. Massimino, mission specialist, go over a checklist concerning the next few days' scheduled space walks. Massimino's extravehicular mobility unit (EMU) space suit, which will be called into duty for the second day of extravehicular activity (EVA), is in the background. The image was recorded with a digital still camera.

JSC2001-01875 (22 June 2001) --- Astronaut Michael J. Massimino, STS-109 mission specialist, dons a training version of the full-pressure launch and entry suit prior to a training session in one of the trainer/mockups (out of frame) in the Space Vehicle Mockup Facility at the Johnson Space Center (JSC). Massimino is assisted by Tommy McDonald and Lloyd Armintor both United Space Alliance (USA) suit technicians. STS-109 will be the 108th shuttle flight and the fourth Hubble Space Telescope (HST) servicing mission.

S125-E-008779 (17 May 2009) --- Astronauts Michael Good and Mike Massimino (partially obscured), both STS-125 mission specialists, participate in the mission?s fourth session of extravehicular activity (EVA) as work continues to refurbish and upgrade the Hubble Space Telescope. During the eight-hour, two-minute spacewalk, Massimino and Good continued repairs and improvements to the Space Telescope Imaging Spectrograph (STIS) that will extend the Hubble?s life into the next decade.

STS109-E-5673 (7 March 2002) --- Astronaut Michael J. Massimino, mission specialist, is about to put on his extravehicular mobility unit's (EMU) outer suit over its thermal under garment. Astronauts Massimino and James H. Newman were about to embark on the STS-109 mission's fourth space walk to perform work on the Hubble Space Telescope (HST). The image was recorded with a digital still camera.

JSC2002-E-05104 (15 February 2002) --- The STS-109 crewmembers are photographed during a pre-flight press conference at Johnson Space Center (JSC). From the left are astronauts Michael J. Massimino, James H. Newman, Richard M. Linnehan, John M. Grunsfeld, Nancy J. Currie, Duane G. Carey, and Scott D. Altman. Altman and Carey are mission commander and pilot, respectively. Grunsfeld is payload commander and Currie, Linnehan, Newman and Massimino are mission specialists.

STS109-326-008 (5 March 2002) --- Astronaut Michael J. Massimino, mission specialist, works at the stowage area for the Hubble Space Telescope's port side solar array. Astronauts Massimino and James H. Newman removed the old port solar array and stowed it in Columbia’s payload bay for a return to Earth. They then went on to install a third-generation solar array and its associated electrical components. Two crew mates had accomplished the same feat with the starboard array on the previous day.

STS109-E-5386 (5 March 2002) --- Astronaut Michael J. Massimino, mission specialist, checks a tool in the cargo bay of the Space Shuttle Columbia during the STS-109 mission's second day of extravehicular activity (EVA). Astronauts Massimino and James H. Newman worked to replace the second set of solar arrays on the Hubble Space Telescope (HST). The image was recorded with a digital still camera.

JSC2008-E-008424 (29 Jan. 2008) --- Astronaut Michael J. Massimino, STS-125 mission specialist, dons a training version of his shuttle launch and entry suit in preparation for a training session in the Space Vehicle Mockup Facility at Johnson Space Center. United Space Alliance (USA) suit technician Carlos E. Ramos assisted Massimino.

JSC2006-E-47144 (31 Oct. 2006) --- A few hours after NASA Administrator Michael Griffin announced from Goddard Space Flight Center the astronauts selected for the final shuttle mission to perform work on the Hubble Space Telescope, the STS-125 crew met the news media at the Johnson Space Center. Following the press briefing, the members posed for this group portrait. From left to right are astronauts K. Megan McArthur, Michael T. Good, Gregory C. Johnson, Scott D. Altman, John M. Grunsfeld, Michael J. Massimino and Andrew J. Feustel. Altman will command the final space shuttle mission to Hubble, and Johnson will serve as pilot for his initial spaceflight. Mission specialists include veteran spacewalkers Grunsfeld and Massimino and first-time space fliers Feustel, Good and McArthur.

JSC2006-E-47110 (31 Oct. 2006) --- A few hours after NASA Administrator Michael Griffin announced from Goddard Space Flight Center the astronauts selected for the final shuttle mission to perform work on the Hubble Space Telescope, the STS-125 crew met the news media at the Johnson Space Center. From left to right are astronauts Michael T. Good, Andrew J. Feustel, K. Megan McArthur, Michael J. Massimino, John M. Grunsfeld, Gregory C. Johnson and Scott D. Altman. Altman will command the final space shuttle mission to Hubble, and Johnson will serve as pilot for his initial spaceflight. Mission specialists include veteran spacewalkers Grunsfeld and Massimino and first-time space fliers Feustel, Good and McArthur.

JSC2008-E-035361 (17 April 2008) --- Astronaut Michael J. Massimino, STS-125 mission specialist, photographed in the rear station of a NASA T-38 trainer jet, prepares for a flight at Ellington Field near NASA's Johnson Space Center.

JSC2002-E-47668 (26 November 2002) --- Astronaut Michael J. Massimino, ISS spacecraft communicator (CAPCOM), monitors data at his console in the station flight control room (BFCR) in Houston’s Mission Control Center (MCC).

JSC2007-E-113593 (18 Dec. 2007) --- Astronaut Michael J. Massimino, STS-125 mission specialist, attired in a training version of the Extravehicular Mobility Unit (EMU) spacesuit, awaits the start of a training session in the waters of the Neutral Buoyancy Laboratory (NBL) near Johnson Space Center.

JSC2001-E-44739 (December 2001) --- Astronaut Michael J. Massimino, STS-109 mission specialist, dons a training version of the Extravehicular Mobility Unit (EMU) space suit prior to a mission training session in the Environmental Test Article (ETA) Chamber in the Crew Systems Laboratory at Johnson Space Center (JSC).

JSC2008-E-035367 (17 April 2008) --- Astronauts Scott D. Altman (front seat) and Michael J. Massimino, STS-125 commander and mission specialist, respectively, prepare for a flight in a NASA T-38 trainer jet at Ellington Field near NASA's Johnson Space Center.

JSC2007-E-113604 (18 Dec. 2007) --- Astronaut Michael J. Massimino, STS-125 mission specialist, attired in a training version of the Extravehicular Mobility Unit (EMU) spacesuit, awaits the start of a training session in the waters of the Neutral Buoyancy Laboratory (NBL) near Johnson Space Center.

JSC2007-E-113868 (19 Dec. 2007) --- Astronauts Michael J. Massimino (seated), STS-125 mission specialist; and Gregory H. Johnson, STS-123 pilot, pose for a photo in the motion-base shuttle mission simulator (SMS) in the Jake Garn Simulation and Training Facility at the Johnson Space Center.

JSC2008-E-035369 (17 April 2008) --- Astronauts Scott D. Altman (front seat) and Michael J. Massimino, STS-125 commander and mission specialist, respectively, prepare for a flight in a NASA T-38 trainer jet at Ellington Field near NASA's Johnson Space Center.

JSC2008-E-035359 (17 April 2008) --- Astronauts Scott D. Altman (right) and Michael J. Massimino, STS-125 commander and mission specialist, respectively, prepare for a flight in a NASA T-38 trainer jet at Ellington Field near NASA's Johnson Space Center.

JSC2008-E-006896 (24 Jan. 2008) --- Astronauts John M. Grunsfeld (left), STS-125 mission specialist; Gregory C. Johnson, pilot; and Michael J. Massimino, mission specialist, participate in a food tasting session in the Flight Projects Division Laboratory at the Johnson Space Center.

JSC2009-E-087208 (23 April 2009) --- Astronauts Michael Good (left), Megan McArthur, John Grunsfeld, Mike Massimino and Andrew Feustel, all STS-125 mission specialists, are pictured during a STS-125 preflight press briefing at NASA's Johnson Space Center.

JSC2007-E-27768 (6 June 2007) --- Astronauts Andrew J. Feustel (foreground), Michael J. Massimino (right) and John M. Grunsfeld (out of frame), STS-125 mission specialists, participate in a training session with a Hubble Space Telescope mockup in the Neutral Buoyancy Laboratory (NBL) near Johnson Space Center.

JSC2007-E-113866 (19 Dec. 2007) --- Astronauts Michael J. Massimino (seated), STS-125 mission specialist; and Gregory H. Johnson, STS-123 pilot, pose for a photo in the motion-base shuttle mission simulator (SMS) in the Jake Garn Simulation and Training Facility at the Johnson Space Center.

JSC2007-E-27769 (6 June 2007) --- Astronauts Michael J. Massimino (left), Andrew J. Feustel (right, partially obscured) and John M. Grunsfeld (foreground), STS-125 mission specialists, participate in a training session with a Hubble Space Telescope mockup in the Neutral Buoyancy Laboratory (NBL) near Johnson Space Center.

JSC2009-E-087209 (23 April 2009) --- Astronauts Gregory C. Johnson (partially out of frame at left), STS-125 pilot; Michael Good, Megan McArthur, John Grunsfeld and Mike Massimino, all mission specialists, are pictured during a STS-125 preflight press briefing at NASA's Johnson Space Center.

JSC2007-E-113591 (18 Dec. 2007) --- Astronaut Michael J. Massimino, STS-125 mission specialist, gets help in the donning of a training version of the Extravehicular Mobility Unit (EMU) spacesuit prior to being submerged in the waters of the Neutral Buoyancy Laboratory (NBL) near the Johnson Space Center.

S125-E-011491 (18 May 2009) --- Astronauts Mike Massimino (left), Michael Good and Megan McArthur (mostly out of frame at right), all STS-125 mission specialists, are pictured in their sleeping bags, which are attached to the lockers on the middeck of the Earth-orbiting Space Shuttle Atlantis at the end of flight day eight.

JSC2007-E-113600 (18 Dec. 2007) --- Astronaut Michael J. Massimino, STS-125 mission specialist, dons a training version of the Extravehicular Mobility Unit (EMU) spacesuit prior to being submerged in the waters of the Neutral Buoyancy Laboratory (NBL) near the Johnson Space Center.

JSC2008-E-008414 (29 Jan. 2008) --- Astronauts Scott D. Altman (center), STS-125 commander; John M. Grunsfeld (left) and Michael J. Massimino, both mission specialists, participate in a training session in the Space Vehicle Mockup Facility at the Johnson Space Center.

JSC2008-E-035358 (17 April 2008) --- Astronauts Scott D. Altman (right) and Michael J. Massimino, STS-125 commander and mission specialist, respectively, walk to the nearby flight line of NASA T-38 trainer jets at Ellington Field near NASA's Johnson Space Center.

JSC2008-E-031808 (2 April 2008) --- Astronauts John M. Grunsfeld (right), Andrew J. Feustel, Michael T. Good and Michael J. Massimino (second left), all STS-125 mission specialists, participate in an extravehicular activity (EVA) hardware training session in the Space Vehicle Mockup Facility at NASA's Johnson Space Center. Tomas Gonzalez-Torres (left) assisted the crewmembers.

JSC2008-E-031816 (2 April 2008) --- Astronauts John M. Grunsfeld (right), Michael J. Massimino, Andrew J. Feustel and Michael T. Good, all STS-125 mission specialists, participate in an extravehicular activity (EVA) hardware training session in the Space Vehicle Mockup Facility at NASA's Johnson Space Center. Tomas Gonzalez-Torres (left) assisted the crewmembers.

JSC2008-E-031815 (2 April 2008) --- Astronauts Michael J. Massimino (center), John M. Grunsfeld (right), Michael T. Good (right background) and Andrew J. Feustel, all STS-125 mission specialists, participate in an extravehicular activity (EVA) hardware training session in the Space Vehicle Mockup Facility at NASA's Johnson Space Center.

JSC2009-E-122153 (26 May 2009) --- NASA's Johnson Space Center (JSC) director Michael L. Coats (far left) and the STS-125 crew are pictured at the STS-125 crew return ceremony on May 26, 2009 at Ellington Field near JSC. From second left are astronauts Scott Altman, commander; Gregory C. Johnson, pilot; along with astronauts Michael Good, Megan McArthur, John Grunsfeld, Mike Massimino and Andrew Feustel, all mission specialists.

JOHNSON SPACE CENTER, Houston, Texas --- STS125-S-002 (9 Oct. 2007) --- These seven astronauts take a break from training to pose for the STS-125 crew portrait. From the left are astronauts Michael J. Massimino and Michael T. Good, both mission specialists; Gregory C. Johnson, pilot; Scott D. Altman, commander; and K. Megan McArthur, John M. Grunsfeld and Andrew J. Feustel, all mission specialists. The STS-125 mission will be the final space shuttle mission to the Hubble Space Telescope.

STS125-S-002 (9 Oct. 2007) --- These seven astronauts take a break from training to pose for the STS-125 crew portrait. From the left are astronauts Michael J. Massimino, Michael T. Good, both mission specialists; Gregory C. Johnson, pilot; Scott D. Altman, commander; K. Megan McArthur, John M. Grunsfeld and Andrew J. Feustel, all mission specialists. The STS-125 mission will be the final space shuttle mission to the Hubble Space Telescope.

STS109-E-5610 (5 March 2002) --- Astronauts James H. Newman, attached to the Remote Manipulator System (RMS) arm of the Space Shuttle Columbia, and Michael J. Massimino (barely visible against the Hubble Space Telescope near center frame) work on the telescope as the shuttle flies over Australia. This day's space walk went on to see astronauts Newman and Massimino replace the port solar array on the Hubble. On the previous day astronauts John M. Grunsfeld and Richard M. Linnehan replaced the starboard solar array on the giant telescope. The image was recorded with a digital still camera.

S125-E-009232 (17 May 2009) --- Astronaut Mike Massimino, STS-125 mission specialist, is pictured as he peers through a window on the aft flight deck of the Earth-orbiting Space Shuttle Atlantis during the mission?s fourth session of extravehicular activity (EVA) as work continues to refurbish and upgrade the Hubble Space Telescope. During the eight-hour, two-minute spacewalk, Massimino and astronaut Michael Good (background), mission specialist, continued repairs and improvements to the Space Telescope Imaging Spectrograph (STIS) that will extend the Hubble?s life into the next decade.

JSC2002-00514 (February 2002)--- The STS-109 flight crew poses with the ascent and entry shift team in the Shuttle Flight Control Room of the Johnson Space Center's Mission Control Center. Flight Director John Shannon holds the mission insignia. Members of the flight crew are astronauts Scott D. Altman, commander; Duane G. Carey, pilot; John M. Grunsfeld, payload commander; and James H. Newman, Nancy J. Currie, Richard M. Linnehan and Michael J. Massimino, all mission specialists. Currie stands to the right of the logo, followed by, left to right, Altman, Grunsfeld, Newman and Massimino. Linnehan and Carey are not pictured.

STS109-E-5611 (5 March 2002) --- Astronauts James H. Newman, attached to the Remote Manipulator System (RMS) arm of the Space Shuttle Columbia, and Michael J. Massimino (out of frame) work on the Hubble Space Telescope as the shuttle flies over Western Australia. This day's space walk went on to see astronauts Newman and Massimino replace the port solar array on the Hubble. On the previous day astronauts John M. Grunsfeld and Richard M. Linnehan replaced the starboard solar array on the giant telescope. The image was recorded with a digital still camera.

S125-E-009542 (17 May 2009) --- Astronaut Michael Good, STS-125 mission specialist, positioned on a foot restraint on the end of Space Shuttle Atlantis? remote manipulator system (RMS); and astronaut Mike Massimino (lower right, partially out of frame), mission specialist, participate in the mission?s fourth session of extravehicular activity (EVA) as work continues to refurbish and upgrade the Hubble Space Telescope. During the eight-hour, two-minute spacewalk, Good and Massimino continued repairs and improvements to the Space Telescope Imaging Spectrograph (STIS) that will extend the Hubble?s life into the next decade.

STS109-E-5606 (5 March 2002) --- Astronaut Michael J. Massimino, mission specialist, waves to crewmates on the other side of the aft flight deck windows on Columbia, while equipped with his extravehicular mobility units (EMU) space suit and standing on the end of the Remote Manipulator System (RMS) arm in the shuttle's cargo bay. This day's space walk went on to see astronauts James H. Newman and Massimino replace the port solar array on the Hubble Space Telescope (HST), partially visible in the background. On the previous day astronauts John M. Grunsfeld and Richard M. Linnehan replaced the starboard solar array on the giant telescope. The image was recorded with a digital still camera.

STS109-E-5627 (5 March 2002) --- With the Space Shuttle Columbia in limited natural light, two astronauts work on the Hubble Space Telescope (HST) during the flight's second of five scheduled space walks. A thin slice of reflected sunlight and airglow can be seen at Earth's horizon. Astronauts James H. Newman and Michael J. Massimino, mission specialists, are making their first extravehicular activity (EVA) of the mission, following the act of two other crewmembers on the previous day. Massimino can be identified on the end of the arm by the diagonal stripes on the pant legs of his extravehicular mobility unit (EMU) space suit. The image was recorded with a digital still camera.

S125-E-009243 (17 May 2009) --- Astronaut Michael Good, STS-125 mission specialist, positioned on a foot restraint on the end of Atlantis? remote manipulator system (RMS), and astronaut Mike Massimino (bottom), mission specialist, participate in the mission?s fourth session of extravehicular activity (EVA) as work continues to refurbish and upgrade the Hubble Space Telescope. During the eight-hour, two-minute spacewalk, Good and Massimino continued repairs and improvements to the Space Telescope Imaging Spectrograph (STIS) that will extend the Hubble?s life into the next decade.

JSC2008-E-008415 (29 Jan. 2008) --- The STS-125 crewmembers participate in a training session in the Space Vehicle Mockup Facility at the Johnson Space Center. Pictured from the right are Michael T. Good, K. Megan McArthur, both mission specialists; Gregory C. Johnson, pilot; Michael J. Massimino, mission specialist; Scott D. Altman, commander; John M. Grunsfeld and Andrew J. Feustel, both mission specialists. United Space Alliance (USA) crew trainer Robert H. (Rob) Tomaro (center, back to camera) briefed the crew.

JSC2008-E-047961 (4 June 2008) --- The STS-125 crewmembers take a moment to pose for a crew photo prior to a training session in the Space Vehicle Mockup Facility at NASA's Johnson Space Center. From the left are astronauts Michael J. Massimino, Michael T. Good, both mission specialists; Gregory C. Johnson, pilot; Scott D. Altman, commander; K. Megan McArthur, John M. Grunsfeld and Andrew J. Feustel, all mission specialists. The crewmembers are wearing training versions of their shuttle launch and entry suits.

S125-E-007563 (15 May 2009) --- Astronaut Michael Good works with the Hubble Space Telescope in the cargo bay of the Earth-orbiting Space Shuttle Atlantis. Astronauts Good and Mike Massimino (working background) participated in the second session of STS-125 extravehicular activity -- as part of a five-day beehive-like agenda of spacewalking and work on the giant orbital observatory.

S125-E-007789 (15 May 2009) --- Astronaut John Grunsfeld signals "thumbs up" to indicate two of his crewmates coming inside from a lengthy space walk are "home." Grunsfeld had just opened the hatch that leads from the mid deck to the airlock. Completing this day's session of extravehicular activity and in the airlock when this photo was made were astronauts Mike Massimino and Michael Good.

S125-E-008608 (17 May 2009) --- Astronaut Michael Good, STS-125 mission specialist, rides Atlantis' remote manipulator system arm to the exact position he needs to be to continue work on the Hubble Space Telescope. Astronaut Mike Massimino, who shared two spacewalks with Good during the last week, is out of frame.

STS109-E-5063 (3 March 2002) --- Astronaut Michael J. Massimino, STS-109 mission specialist, is pictured near the aft flight deck controls for the Space Shuttle Columbia shortly after the crew latched the Hubble Space Telescope (HST) into the shuttle's cargo bay. The telescope is partially visible through the cabin's rear windows. The image was taken with a digital still camera.

Posing in front of the Space Shuttle Columbia is the returning STS-109 crew. From left are astronauts James H. Newman, Michael J. Massimino, Nancy J. Currie, Scott D. Altman, Duane G. Carey, John M. Grunsfeld and Richard M. Linnehan. The crew returned to Earth after a successful 11-day mission servicing and upgrading the Hubble Space Telescope.

S125-E-012398 (20 May 2009) --- The crewmembers for the STS-125 mission pose for a photo following a news conference on the flight deck of the Earth-orbiting Space Shuttle Atlantis. Pictured on the front row are astronauts Scott Altman (center), commander; Gregory C. Johnson, pilot; and Megan McArthur, mission specialist. Pictured on the back row (left to right) are astronauts Michael Good, Mike Massimino, John Grunsfeld and Andrew Feustel, all mission specialists.

S125-E-008639 (17 May 2009) --- Astronaut Michael Good, STS-125 mission specialist, participates in the mission?s fourth session of extravehicular activity (EVA) as work continues to refurbish and upgrade the Hubble Space Telescope. During the eight-hour, two-minute spacewalk, Good and astronaut Mike Massimino (out of frame), mission specialist, continued repairs and improvements to the Space Telescope Imaging Spectrograph (STIS) that will extend the Hubble?s life into the next decade.

S125-E-008663 (17 May 2009) --- Astronaut Michael Good, STS-125 mission specialist, participates in the mission?s fourth session of extravehicular activity (EVA) as work continues to refurbish and upgrade the Hubble Space Telescope. During the eight-hour, two-minute spacewalk, Good and astronaut Mike Massimino (out of frame), mission specialist, continued repairs and improvements to the Space Telescope Imaging Spectrograph (STIS) that will extend the Hubble?s life into the next decade.

S125-E-007587 (15 May 2009) --- Astronaut Michael Good, STS-125 mission specialist, peers through a window toward Atlantis' crew cabin interior, where his shirt-sleeved support team members busy themselves to aid the flight's second of five sessions of extravehicular activity to perform work on the Hubble Space Telescope. Astronaut Mike Massimino can be seen in the background at work on the port side of the shuttle's cargo bay.

JSC2002-E-09328 (13 March 2002) --- The STS-109 crew exit a Gulfstream aircraft during the crew return ceremonies at Ellington Field. From the left (foreground) are astronauts Scott D. Altman, mission commander, Nancy J. Currie, mission specialist, and Duane G. Carey, pilot. From the top of the stairs are astronauts Richard M. Linnehan, James H. Newman, and Michael J. Massimino, all mission specialists. Astronaut John M. Grunsfeld, payload commander, is out of frame.

JSC2008-E-008421 (29 Jan. 2008) --- The STS-125 crewmembers participate in a training session in the Space Vehicle Mockup Facility at the Johnson Space Center. Pictured from the left are astronauts John M. Grunsfeld, mission specialist; Scott D. Altman, commander; Andrew J. Feustel and Michael J. Massimino, both mission specialists.

STS109-323-035 (7 March 2002) --- Astronaut Michael J. Massimino, on the shuttle’s robotic arm, prepares to install the Electronic Support Module (ESM) in the aft shroud of the Hubble Space Telescope (HST), with the assistance of astronaut James H. Newman (out of frame). The module will support a new experimental cooling system to be installed during the next day's fifth and final scheduled spacewalk of the mission. That cooling system is designed to bring the telescope's Near-Infrared Camera and Multi-Object Spectrometer (NICMOS) back to life.

STS109-E-5643 (5 March 2002) --- Astronauts Michael J. Massimino (left) and James H. Newman, mission specialists, are back on board the mid deck of the Space Shuttle Columbia during the second of five scheduled STS-109 space walks to perform servicing and upgrading of the Hubble Space Telescope (HST). The image was recorded with a digital still camera.