Suzu Sawanuki presents artwork by her husband Toshiro Sawanuki to James Hathaway, Associate Director for Business Operations at NASA's Kennedy Space Center in Cape Canaveral, Fla., Thursday, May 29, 2008. Photo Credit: (NASA/Bill Ingalls)

NASA Administrator Charles Bolden, left, STS-127 mission commander Mark Polansky, and NASA Kennedy Space Center Director Bob Cabana, right, walk around the space shuttle Endeavour shortly after it and its crew landed, Friday, July 31, 2009 at NASA's Kennedy Space Center in Cape Canaveral, Fla., completing a 16-day journey of more than 6.5 million miles. Endeavour delivered the final segment to the Japan Aerospace Exploration Agency's Kibo laboratory and a new crew member to the International Space Station. Photo Credit: (NASA/Bill Ingalls)

The space shuttle Discovery touches down at 11:15 a.m. EDT, Saturday, June 14, 2008, at the Kennedy Space Center in Florida. During the 13-day mission, Discovery and the crew of STS-124 delivered new components of the Japanese Experiment Module, or Kibo, to the International Space Station and the Canadian-built Special Purpose Dextrous Manipulator to the International Space Station. Photo Credit: (NASA/Bill Ingalls)

The space shuttle Endeavour is seen at launch pad 39A at NASA's Kennedy Space Center in Cape Canaveral, Florida on Saturday, July 11, 2009. NASA is hopeful that Endeavour will launch with the crew of STS-127 on Sunday. Photo Credit: (NASA/Bill Ingalls)

Space shuttle Endeavour is in place at Launch Pad 39A, Friday, June 12, 2009 at NASA's Kennedy Space Center in Cape Canaveral, Florida. Endeavour is undergoing final preparations for its upcoming 16-day mission to the International Space Station. Photo Credit: (NASA/Bill Ingalls)

The space shuttle Endeavour is framed by a windsock at launch pad 39A at the NASA Kennedy Space Center in Cape Canaveral, Florida on Saturday, July 11, 2009. NASA is hopeful that Endeavour will launch with the crew of STS-127 on Sunday. Photo Credit: (NASA/Bill Ingalls)

NASA Administrator, Michael Griffin (foreground) watches the launch of the Space Shuttle Endeavour (STS-118) from the Launch Control Center Wednesday, August 8, 2007, at the Kennedy Space Center in Cape Canaveral, Fla. The Shuttle lifted off from launch pad 39A at 6:36p.m. EDT. Photo Credit: "NASA/Bill Ingalls"

The space shuttle Discovery, STS-124 mission, touches down on runway 15 of the NASA Kennedy Space Center Shuttle Landing Facility at 11:15 a.m., Saturday, June 14, 2008 in Cape Canaveral, Florida. Onboard are NASA astronauts Mark Kelly, commander; Ken Ham, pilot; Mike Fossum, Ron Garan, Karen Nyberg, Garrett Reisman and Japan Aerospace Exploration Agency astronaut Akihiko Hoshide, all mission specialists. During the mission, Discovery's crew installed the Japan Aerospace Exploration Agency's large Kibo laboratory and its remote manipulator system leaving a larger space station and one with increased science capabilities. Photo Credit: (NASA/Bill Ingalls)

NASA mission managers watch the latest weather radar on a monitor in Firing Room Four of the Launch Control Center at NASA's Kennedy Space Center in Cape Canaveral, Florida, Sunday, July 12, 2009. Endeavour is set to launch at 7:13p.m. EDT with the crew of STS-127 and start a 16-day mission that will feature five spacewalks and complete construction of the Japan Aerospace Exploration Agency's Kibo laboratory. Photo Credit: (NASA/Bill Ingalls)

NASA Administrator Charles Bolden walks around the space shuttle Endeavour shortly after it and its crew landed, Friday, July 31, 2009 at NASA's Kennedy Space Center in Cape Canaveral, Florida, completing a 16-day journey of more than 6.5 million miles. Endeavour delivered the final segment to the Japan Aerospace Exploration Agency's Kibo laboratory and a new crew member to the International Space Station.

Storm clouds approach Launch Pad 39A at NASA's Kennedy Space Center in Florida on Friday, July 10, 2009 as space shuttle Endeavour stands awaiting Saturday's planned launch of the STS-127 mission. Photo Credit: (NASA/Bill Ingalls)

Storm clouds approach Launch Pad 39A at NASA's Kennedy Space Center in Florida on Friday, July 10, 2009 as space shuttle Endeavour stands awaiting Saturday's planned launch of the STS-127 mission. Photo Credit: (NASA/Bill Ingalls)

Storm clouds roll in over the NASA Vehicle Assembly building moments after STS-127 Space Shuttle Launch Director Pete Nickolenko and the launch team called the launch a "No Go" due to weather conditions at the NASA Kennedy Space Center in Cape Canaveral, Florida, Sunday, July 12, 2009. Endeavour will be launching with the crew of STS-127 on a 16-day mission that will feature five spacewalks and complete construction of the Japan Aerospace Exploration Agency's Kibo laboratory. Photo Credit: (NASA/Bill Ingalls)

The space shuttle Discovery is poised for liftoff on the STS-128 mission from pad 39a at the Kennedy Space Center in Cape Canaveral, Fla., Monday, Aug. 24, 2009. Discovery is scheduled to launch early Tuesday morning. Photo Credit: (NASA/Bill Ingalls)

John P. Shannon, Manager, NASA Space Shuttle Program Office watches the latest weather radar in Firing Room Four of the Launch Control Center at NASA's Kennedy Space Center in Cape Canaveral, Florida, Sunday, July 12, 2009. Endeavour is set to launch at 7:13p.m. EDT with the crew of STS-127 and start a 16-day mission that will feature five spacewalks and complete construction of the Japan Aerospace Exploration Agency's Kibo laboratory. Photo Credit: (NASA/Bill Ingalls)

NASA Associate Administrator for Space Operations William Gerstenmaier watches the latest weather radar from Firing Room Four of the Launch Control Center at NASA's Kennedy Space Center in Cape Canaveral, Florida, Sunday, July 12, 2009. Endeavour is set to launch at 7:13p.m. EDT with the crew of STS-127 and start a 16-day mission that will feature five spacewalks and complete construction of the Japan Aerospace Exploration Agency's Kibo laboratory. Photo Credit: (NASA/Bill Ingalls)

The space shuttle Discovery is poised for liftoff on the STS-128 mission from pad 39a at the Kennedy Space Center in Cape Canaveral, Fla., Monday, Aug. 24, 2009. Discovery is scheduled to launch early Tuesday morning. Photo Credit: (NASA/Bill Ingalls)

NASA Astronaut John "Danny" Olivas is seen preparing to board the space shuttle Discovery at pad 39a on a monitor in Firing Room Four of the Kennedy Space Center at Cape Canaveral, Fla., Monday, Aug. 24, 2009. Discovery is scheduled to launch Tuesday, Aug. 25, 2009 at 1:36 a.m. EDT and will carry the Leonardo supply module to the International Space Station during STS-128, along with a new crew member for the station, Nicole Stott. Photo Credit: (NASA/Bill Ingalls)

NASA Astronaut Patrick Forrester, left, and European Space Agency Astronaut Christer Fuglesang are seen preparing to board the space shuttle Discovery at pad 39a on a monitor in Firing Room Four of the Kennedy Space Center at Cape Canaveral, Fla., Monday, Aug. 24, 2009. Discovery is scheduled to launch Tuesday, Aug., 25, 2009 at 1:36 a.m. EDT and will carry the Leonardo supply module to the International Space Station during STS-128, along with a new crew member for the station, Nicole Stott. Photo Credit: (NASA/Bill Ingalls)

The aft end of the space shuttle Discovery is seen shortly after landing on runway 15 of the NASA Kennedy Space Center Shuttle Landing Facility at 11:15 a.m., Saturday, June 14, 2008 in Cape Canaveral, Florida. Onboard Discovery were NASA astronauts Mark Kelly, commander; Ken Ham, pilot; Mike Fossum, Ron Garan, Karen Nyberg, Garrett Reisman and Japan Aerospace Exploration Agency astronaut Akihiko Hoshide, all mission specialists. During the STS-124 mission, Discovery's crew installed the Japan Aerospace Exploration Agency's large Kibo laboratory and its remote manipulator system leaving a larger space station and one with increased science capabilities. Photo Credit: (NASA/Bill Ingalls)

NASA Associate Administrator Chris Scolese, left and the Vice President of the Japan Aerospace Exploration Agency (JAXA) Mr. Kaoru Mamiya talk underneath the wing of the space shuttle Discovery shortly after Discovery touched down at 11:15 a.m., Saturday, June 14, 2008, at the Kennedy Space Center in Cape Canaveral, Florida. During the 14-day STS-124 mission Discovery's crew installed the Japan Aerospace Exploration Agency's large Kibo laboratory and its remote manipulator system leaving a larger space station and one with increased science capabilities. Discovery also brought home NASA astronaut Garrett Reisman after his 3 month mission onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

NASA Astronaut Garrett Reisman, right, jokes with NASA Associate Administrator Chris Scolese, 2nd from right, NASA Associate Administrator for Space Operations Bill Gerstenmaier, 3rd from right and NASA Deputy Shuttle Program Manager LeRoy Cain as NASA Astronaut Michael Lopez-Alegria looks on. Reisman spent 3 months in space onboard the the International Space Station. Reisman landed onboard the space shuttle Discovery along with the crew of the STS-124 mission. Discovery touched down at 11:15 a.m. EDT, Saturday, June 14, 2008, at the Kennedy Space Center in Florida. Photo Credit: (NASA/Bill Ingalls)

The space shuttle Endeavour and its crew land, Friday, July 31, 2009 at NASA's Kennedy Space Center in Cape Canaveral, Florida, completing a 16-day journey of more than 6.5 million miles. Endeavour delivered the final segment to the Japan Aerospace Exploration Agency's Kibo laboratory and a new crew member to the International Space Station. Photo Credit: (NASA/Bill Ingalls)

The Lunar Reconnaissance Orbiter and Lunar Crater Observation and Sensing Satellite are bound for the moon after a flawless liftoff Thursday, June 18, 2009, from Cape Canaveral Air Force Station in Florida aboard an Atlas V rocket. Photo Credit: (NASA/Bill Ingalls)

The Lunar Reconnaissance Orbiter and Lunar Crater Observation and Sensing Satellite are bound for the moon after a flawless liftoff Thursday, June 18, 2009, from Cape Canaveral Air Force Station in Florida aboard an Atlas V rocket. Photo Credit: (NASA/Bill Ingalls)

The space shuttle Endeavour is seen at launch pad 39A at NASA's Kennedy Space Center in Cape Canaveral, Florida on Saturday, July 11, 2009. NASA is hopeful that Endeavour will launch with the crew of STS-127 on Sunday. Photo Credit: (NASA/Bill Ingalls)

A NASA Security helicopter watches over the Astrovan as it takes the crew of STS-127 to the space shuttle Endeavour at pad 39a at NASA's Kennedy Space Center in Cape Canaveral, Florida, Saturday, July 12, 2009. Endeavour is set to launch at 7:13p.m. EDT with the crew of STS-127 and start a 16-day mission that will feature five spacewalks and complete construction of the Japan Aerospace Exploration Agency's Kibo laboratory. Photo Credit: (NASA/Bill Ingalls)

A warning sign is seen on the entrance to Firing Room Four of the Launch Control Center at NASA's Kennedy Space Center in Cape Canaveral, Florida, Sunday, July 12, 2009. The space shuttle Endeavour is set to launch at 7:13p.m. EDT with the crew of STS-127 and start a 16-day mission that will feature five spacewalks and complete construction of the Japan Aerospace Exploration Agency's Kibo laboratory. Photo Credit: (NASA/Bill Ingalls)

The NASA Vehicle Assembly Building is seen through a rain covered windshield at NASA's Kennedy Space Center in Florida on Friday, July 10, 2009. NASA is set to launch the space shuttle Endeavour with the crew of STS-127 on Saturday. Photo Credit: (NASA/Bill Ingalls)

NASA Associate Administrator for Space Operations Bill Gerstenmaier watches the space shuttle Discovery touch down at 11:15 a.m. EDT, Saturday, June 14, 2008, at the Kennedy Space Center in Florida. During the 13-day mission, Discovery and the crew of STS-124 delivered new components of the Japanese Experiment Module, or Kibo, to the International Space Station and the Canadian-built Special Purpose Dextrous Manipulator to the International Space Station. Photo Credit: (NASA/Bill Ingalls)

NASA Astronaut Patrick Forrester is seen preparing to board the space shuttle Discovery at pad 39a on a monitor in Firing Room Four of the Kennedy Space Center at Cape Canaveral, Fla., Monday, Aug. 24, 2009. Discovery is scheduled to launch Tuesday, Aug., 25, 2009 at 1:36 a.m. EDT and will carry the Leonardo supply module to the International Space Station during STS-128, along with a new crew member for the station, Nicole Stott. Photo Credit: (NASA/Bill Ingalls)

Vice President of the Japan Aerospace Exploration Agency (JAXA) Mr. Kaoru Mamiya, left, and Mr. Yuichi Yamaura of JAXA look at one of the space shuttle Discovery tires shortly after Discovery touched down at 11:15 a.m., Saturday, June 14, 2008, at the Kennedy Space Center in Cape Canaveral, Florida. During the 14-day STS-124 mission Discovery's crew installed the Japan Aerospace Exploration Agency's large Kibo laboratory and its remote manipulator system leaving a larger space station and one with increased science capabilities. Discovery also brought home NASA astronaut Garrett Reisman after his 3 month mission onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Mike Suffredini, NASA Manager, International Space Station (ISS) Program, talks with other NASA mission managers in from Firing Room Four of the Launch Control Center at NASA's Kennedy Space Center in Cape Canaveral, Florida, Sunday, July 12, 2009. The space shuttle Endeavour is set to launch at 7:13p.m. EDT with the crew of STS-127 and start a 16-day mission that will feature five spacewalks and complete construction of the Japan Aerospace Exploration Agency's Kibo laboratory. Photo Credit: (NASA/Bill Ingalls)

NASA mission managers watch the latest weather radar on a monitor in Firing Room Four of the Launch Control Center at NASA's Kennedy Space Center in Cape Canaveral, Florida, Sunday, July 12, 2009. Endeavour is set to launch at 7:13p.m. EDT with the crew of STS-127 and start a 16-day mission that will feature five spacewalks and complete construction of the Japan Aerospace Exploration Agency's Kibo laboratory. Photo Credit: (NASA/Bill Ingalls)

Space shuttle Endeavour is in place at Launch Pad 39A, Friday, June 12, 2009 at NASA's Kennedy Space Center in Cape Canaveral, Florida. Endeavour is undergoing final preparations for its upcoming 16-day mission to the International Space Station. Photo Credit (NASA/Bill Ingalls)

The space shuttle Discovery touches down at 11:15 a.m. EDT, Saturday, June 14, 2008, at the Kennedy Space Center in Florida. During the 13-day mission, Discovery and the crew of STS-124 delivered new components of the Japanese Experiment Module, or Kibo, to the International Space Station and the Canadian-built Special Purpose Dextrous Manipulator to the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Storm clouds roll in over the NASA Vehicle Assembly building moments after STS-127 Space Shuttle Launch Director Pete Nickolenko and the launch team called the launch a "No Go" due to weather conditions at the NASA Kennedy Space Center in Cape Canaveral, Florida, Sunday, July 12, 2009. Endeavour will be launching with the crew of STS-127 on a 16-day mission that will feature five spacewalks and complete construction of the Japan Aerospace Exploration Agency's Kibo laboratory. Photo Credit: (NASA/Bill Ingalls)

A Pegasus rocket starts it's first stage burn to propel the SORCE Satellite payload into low-Earth orbit, January 25, 2003, off the coast of Cape Canaveral, FL, The SORCE satellite, Solar Radiation and Climate Experiment,is a joint project with Orbital, NASA and the University of Colorado. The satellite is an atmospheric instrument that will measure incoming radiant energy from the sun. Scientists will use this to address long term atmospheric and climate changes. Other uses will be for ozone research and ultraviolet radiation. (Photo by Eric Roback and Rob Rivers, NASA Langley Research Center)

NASA Shuttle Launch Director Michael Leinbach talks on the phone from Firing Room Four of the Launch Control Center at NASA's Kennedy Space Center in Cape Canaveral, Florida, Sunday, July 12, 2009. THe space shuttle Endeavour is set to launch at 7:13p.m. EDT with the crew of STS-127 and start a 16-day mission that will feature five spacewalks and complete construction of the Japan Aerospace Exploration Agency's Kibo laboratory. Photo Credit: (NASA/Bill Ingalls)

United Launch Alliance (ULA) team members work in the Atlas V Spaceflight Operations Center prior to the launch of the Lunar Reconnaissance Orbiter and Lunar Crater Observation and Sensing Satellite Thursday, June 18, 2009, from Cape Canaveral Air Force Station, Florida. Photo Credit: (NASA/Bill Ingalls)

Orbital Sciences Corportation's L1011 releases a Pegasus rocket before ignition, January 25, 2003, off the coast of Cape Canaveral, FL, which will deliver the SORCE satellite, Solar Radiation and Climate Experiment, into the low-Earth orbit. The joint project with Orbital, NASA and the University of Colorado satellite is an atmospheric instrument that will measure incoming radiant energy from the sun. Scientists will use this to address long term atmospheric and climate changes. Other uses will be for ozone research and ultraviolet radiation. (Photo by Eric Roback and Rob Rivers, NASA Langley Research Center)

NASA Lead Shuttle Flight Director for STS-124 Matt Abbott, left, shows his lucky launch and landing tie to NASA Associate Administrator Chris Scolese, 2nd from left, NASA Associate Administrator for Space Operations Bill Gerstenmaier, 3rd from left, and NASA Deputy Shuttle Program Manager LeRoy Cain shortly after the space shuttle Discovery touched down at 11:15 a.m., Saturday, June 14, 2008, at the Kennedy Space Center in Cape Canaveral, Florida. During the 14-day STS-124 mission Discovery's crew installed the Japan Aerospace Exploration Agency's large Kibo laboratory and its remote manipulator system leaving a larger space station and one with increased science capabilities. Photo Credit: (NASA/Bill Ingalls)

United Launch Alliance (ULA) team members work in the Atlas V Spaceflight Operations Center prior to the launch of the Lunar Reconnaissance Orbiter and Lunar Crater Observation and Sensing Satellite Thursday, June 18, 2009, from Cape Canaveral Air Force Station, Florida. . Photo Credit: (NASA/Bill Ingalls)

Bob Cabana, Director of NASA's Kennedy Space Center talks with other mission managers in Firing Room Four of the Launch Control Center at NASA's Kennedy Space Center in Cape Canaveral, Florida, Sunday, July 12, 2009. Endeavour is set to launch at 7:13p.m. EDT with the crew of STS-127 and start a 16-day mission that will feature five spacewalks and complete construction of the Japan Aerospace Exploration Agency's Kibo laboratory. Photo Credit: (NASA/Bill Ingalls)

NASA Astronaut and STS-124 commander Mark E. Kelly, right, talks with NASA Associate Administrator Chris Scolese, center, and NASA Associate Administrator for Space Operations Bill Gerstenmaier underneath the space shuttle Discovery shortly after landing on runway 15 of the NASA Kennedy Space Center, Shuttle Landing Facility at 11:15 a.m., Saturday, June 14, 2008 in Cape Canaveral, Florida. Onboard Discovery were NASA astronauts Mark Kelly, commander; Ken Ham, pilot; Mike Fossum, Ron Garan, Karen Nyberg, Garrett Reisman and Japan Aerospace Exploration Agency astronaut Akihiko Hoshide, all mission specialists. During the STS-124 mission, Discovery's crew installed the Japan Aerospace Exploration Agency's large Kibo laboratory and its remote manipulator system leaving a larger space station and one with increased science capabilities. Photo Credit: (NASA/Bill Ingalls)

The space shuttle Discovery, STS-124 mission, touches down on runway 15 of the NASA Kennedy Space Center Shuttle Landing Facility at 11:15 a.m., Saturday, June 14, 2008 in Cape Canaveral, Florida. Onboard are NASA astronauts Mark Kelly, commander; Ken Ham, pilot; Mike Fossum, Ron Garan, Karen Nyberg, Garrett Reisman and Japan Aerospace Exploration Agency astronaut Akihiko Hoshide, all mission specialists. During the mission, Discovery's crew installed the Japan Aerospace Exploration Agency's large Kibo laboratory and its remote manipulator system leaving a larger space station and one with increased science capabilities. Photo Credit: (NASA/Bill Ingalls)

Mike Leinbach, NASA Assistant Shuttle Launch Director for the STS-127 mission, monitors the launch countdown progress and local weather from Firing Room Four of the Launch Control Center at NASA's Kennedy Space Center in Cape Canaveral, Florida, Monday, July 13, 2009. The space shuttle Endeavour is set to launch at 6:51p.m. EDT with the crew of STS-127 and start a 16-day mission that will feature five spacewalks and complete construction of the Japan Aerospace Exploration Agency's Kibo laboratory. Photo Credit: (NASA/Bill Ingalls)

NASA Administrator Charles Bolden, left, welcomes home STS-127 Astronauts Dave Wolf, and Christopher Cassidy, right, shortly after the space shuttle Endeavour and its crew landed, Friday, July 31, 2009 at NASA's Kennedy Space Center in Cape Canaveral, Fla., completing a 16-day journey of more than 6.5 million miles. Endeavour delivered the final segment to the Japan Aerospace Exploration Agency's Kibo laboratory and a new crew member to the International Space Station.

Space shuttle Endeavour is in place at Launch Pad 39A, Friday, June 12, 2009 at NASA's Kennedy Space Center in Cape Canaveral, Florida. Endeavour is undergoing final preparations for its upcoming 16-day mission to the International Space Station. Photo Credit (NASA/Bill Ingalls)

NASA Kennedy Space Center Director Robert Cabana looks at the weather radar in Firing Room Four at the Kennedy Space Center during the launch countdown of space shuttle Discovery and the STS-128 crew, Tuesday, Aug. 25, 2009 at Cape Canaveral, Fla. Discovery’s launch attempt was scrubbed due to weather conditions. Photo Credit: (NASA/Bill Ingalls)

NASA Kennedy Space Center Director Bob Cabana, left, and NASA Administrator Charles Bolden walk to welcome home the crew of the space shuttle Endeavour shortly after it and its crew landed, Friday, July 31, 2009 at NASA's Kennedy Space Center in Cape Canaveral, Florida, completing a 16-day journey of more than 6.5 million miles. Endeavour delivered the final segment to the Japan Aerospace Exploration Agency's Kibo laboratory and a new crew member to the International Space Station.

NASA Astronaut Garrett Reisman, right, jokes with NASA Associate Administrator Chris Scolese, 2nd from right, NASA Associate Administrator for Space Operations Bill Gerstenmaier, 3rd from right and NASA Deputy Shuttle Program Manager LeRoy Cain as NASA Astronaut Michael Lopez-Alegria looks on shortly after landing onboard the space shuttle Discovery. Discovery touched down at 11:15 a.m., Saturday, June 14, 2008, at the Kennedy Space Center in Cape Canaveral, Florida. Onboard Discovery with Reisman was the crew of the STS-124 mission, NASA astronauts Mark Kelly, commander; Ken Ham, pilot; Mike Fossum, Ron Garan, Karen Nyberg and Japan Aerospace Exploration Agency astronaut Akihiko Hoshide, all mission specialists. Photo Credit: (NASA/Bill Ingalls)

The space shuttle Endeavour is seen at launch pad 39A at NASA's Kennedy Space Center in Cape Canaveral, Florida on Saturday, July 11, 2009. NASA is hopeful that Endeavour will launch with the crew of STS-127 on Sunday. Photo Credit: (NASA/Bill Ingalls)

The space shuttle Endeavour is seen at launch pad 39A at NASA's Kennedy Space Center in Cape Canaveral, Florida on Saturday, July 11, 2009. NASA is hopeful that Endeavour will launch with the crew of STS-127 on Sunday. Photo Credit: (NASA/Bill Ingalls)

Storm clouds approach Launch Pad 39A at NASA's Kennedy Space Center in Florida on Friday, July 10, 2009 as space shuttle Endeavour stands awaiting Saturday's planned launch of the STS-127 mission. Photo Credit: (NASA/Bill Ingalls)

Orbital Sciences Corportation's L1011 prepares to release a Pegasus rocket, January 25, 2003, off the coast of Cape Canaveral, FL, which will deliver the SORCE satellite, Solar Radiation and Climate Experiment, into the low-Earth orbit. The joint project with Orbital, NASA and the University of Colorado satellite is an atmospheric instrument that will measure incoming radiant energy from the sun. Scientists will use this to address long term atmospheric and climate changes. Other uses will be for ozone research and ultraviolet radiation. (Photo by Eric Roback and Rob Rivers, NASA Langley Research Center)

NASA Deputy Shuttle Program Manager LeRoy Cain points out a portion of the space shuttle Discovery to NASA Associate Administrator for Space Operations Bill Gerstenmaier, left, during a walk around shortly after Discovery touched down at 11:15 a.m., Saturday, June 14, 2008, at the Kennedy Space Center in Cape Canaveral, Florida. During the 14-day STS-124 mission Discovery's crew installed the Japan Aerospace Exploration Agency's large Kibo laboratory and its remote manipulator system leaving a larger space station and one with increased science capabilities. Discovery also brought home NASA astronaut Garrett Reisman after his 3 month mission onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

STS-124 crew members, from left, pilot Kenneth T. Ham, mission specialist Karen L. Nyberg, mission specialist, Japan Aerospace Exploration Agency's (JAXA) Akihiko Hoshide, Commander Mark E. Kelly, mission specialist Michael E. Fossum and mission specialist Ronald J. Garan talk about their STS-124 mission shortly after landing the space shuttle Discovery at 11:15 a.m. on June 14, 2008 at the Kennedy Space Center in Cape Canaveral, Florida. During the 14-day mission the crew of STS-124 installed the Japan Aerospace Exploration Agency's large Kibo laboratory and its remote manipulator system leaving a larger space station and one with increased science capabilities. Discovery also brought home NASA astronaut Garrett Reisman after his 3 month mission onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Benoit Marcotte, Director General of Canadian Space Agency Operations, left, welcomes home Canadian Space Agency's Julie Payette, right, shortly after the space shuttle Endeavour and its crew landed, Friday, July 31, 2009 at NASA's Kennedy Space Center in Cape Canaveral, Fla., completing a 16-day journey of more than 6.5 million miles. Endeavour delivered the final segment to the Japan Aerospace Exploration Agency's Kibo laboratory and a new crew member to the International Space Station.

The space shuttle Endeavour and its crew land, Friday, July 31, 2009 at NASA's Kennedy Space Center in Cape Canaveral, Florida, completing a 16-day journey of more than 6.5 million miles. Endeavour delivered the final segment to the Japan Aerospace Exploration Agency's Kibo laboratory and a new crew member to the International Space Station. Photo Credit: (NASA/Bill Ingalls)

NASA Kennedy Space Center Security Officer, Jack "Supr Jac" Hilderbrand talks on the phone at the security gate to Pad 39a just a day shy of his 70th birthday and the planned launch of the space shuttle Endeavour with the STS-127 crew. Hilderbrand has been working for the space program since 1960. Photo Credit: (NASA/Bill Ingalls)

A NASA Security helicopter watches over the Astrovan as it takes the crew of STS-127 to the space shuttle Endeavour at pad 39a at NASA's Kennedy Space Center in Cape Canaveral, Florida, Sunday, July 12, 2009. Endeavour is set to launch at 7:13p.m. EDT with the crew of STS-127 and start a 16-day mission that will feature five spacewalks and complete construction of the Japan Aerospace Exploration Agency's Kibo laboratory. Photo Credit: (NASA/Bill Ingalls)

Storm clouds approach Launch Pad 39A at NASA's Kennedy Space Center in Florida on Friday, July 10, 2009 as space shuttle Endeavour stands awaiting Saturday's planned launch of the STS-127 mission. Photo Credit: (NASA/Bill Ingalls)

Astronaut Mark Polansky, STS-127 mission commander, poses for a photograph by the front wheel of the space shuttle Endeavour shortly after it and its crew landed, Friday, July 31, 2009 at NASA's Kennedy Space Center in Cape Canaveral, Fla., completing a 16-day journey of more than 6.5 million miles. Endeavour delivered the final segment to the Japan Aerospace Exploration Agency's Kibo laboratory and a new crew member to the International Space Station. Photo Credit: (NASA/Bill Ingalls)

NASA Johnson Space Center Director Michael Coats monitors the launch team discussions on his headset from Firing Room Four of the Launch Control Center at NASA's Kennedy Space Center in Cape Canaveral, Florida, Sunday, July 12, 2009. The space shuttle Endeavour is set to launch at 7:13p.m. EDT with the crew of STS-127 and start a 16-day mission that will feature five spacewalks and complete construction of the Japan Aerospace Exploration Agency's Kibo laboratory. Photo Credit: (NASA/Bill Ingalls)

NASA Kennedy Space Center Director Bob Cabana, left, and NASA Administrator Charles Bolden walk to welcome home the crew of the space shuttle Endeavour shortly after it and its crew landed, Friday, July 31, 2009 at NASA's Kennedy Space Center in Cape Canaveral, Florida, completing a 16-day journey of more than 6.5 million miles. Endeavour delivered the final segment to the Japan Aerospace Exploration Agency's Kibo laboratory and a new crew member to the International Space Station.

The space shuttle Discovery touches down at 11:15 a.m. EDT, Saturday, June 14, 2008, at the Kennedy Space Center in Florida. During the 13-day mission, Discovery and the crew of STS-124 delivered new components of the Japanese Experiment Module, or Kibo, to the International Space Station and the Canadian-built Special Purpose Dextrous Manipulator to the International Space Station. Photo Credit: (NASA/Bill Ingalls)

NASA Acting Administrator Chris Scolese, 2nd from right, looks out over the Atlas V Spaceflight Operations Center prior to the launch of the Lunar Reconnaissance Orbiter and Lunar Crater Observation and Sensing Satellite Thursday, June 18, 2009, from Cape Canaveral Air Force Station, Florida. Photo Credit: (NASA/Bill Ingalls)

NASA Associate Administrator for Space Operations, Bill Gerstenmaier (foreground) watches the launch of the Space Shuttle Endeavour (STS-118) from the Launch Control Center Wednesday, August 8, 2007, at the Kennedy Space Center in Cape Canaveral, Fla. The Shuttle lifted off from launch pad 39A at 6:36p.m. EDT. Photo Credit: "NASA/Bill Ingalls"