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Air and Space Museum Apollo 40th Celebration

Air and Space Museum Apollo 40th Celebration

From left, NASA Administrator Charles Bolden, Rice University Electrical and Engineering Student Max Paul, Former Maryland Lieutenant Governor and niece of President John F. Kennedy, Kathleen Kennedy Townsend, ... More

STS-125 Tweetup. NASA public domain image colelction.

STS-125 Tweetup. NASA public domain image colelction.

NASA Astronaut Mike Massimino, known as "Astro_Mike" on Twitter, prepares to give a presentation with fellow STS-125 shuttle mission crew members at the NASA Tweetup event held at NASA Headquarters, July 21, 20... More

STS-125 Tweetup. NASA public domain image colelction.

STS-125 Tweetup. NASA public domain image colelction.

NASA AStronaut and STS-125 Mission Specialist Andrew Feustel, right, answers a question during a presentation with fellow STS-125 shuttle mission crew members at the NASA Tweetup event held at NASA Headquarter... More

STS-125 Tweetup. NASA public domain image colelction.

STS-125 Tweetup. NASA public domain image colelction.

NASA Astronaut and STS-125 Mission Pilot Scott Altman answers questions at the NASA Tweetup event held at NASA Headquarters, July 21, 2009 in Washington. Nearly 200 of NASA’s Twitter followers are in attendance... More

Apollo 11 and John Glenn Astronauts Congressional Gold Medal

Apollo 11 and John Glenn Astronauts Congressional Gold Medal

Apollo 11 Astronauts, from left, Michael Collins, Neil Armstrong, Buzz Aldrin and NASA Administrator Charles Bolden attend the U.S House of Representatives Committee on Science and Technology tribute to the Apo... More

STS-125 Tweetup. NASA public domain image colelction.

STS-125 Tweetup. NASA public domain image colelction.

NASA Astronaut Mike Massimino, known as "Astro_Mike" on Twitter, answers a question during a presentation with fellow STS-125 shuttle mission crew members at the NASA Tweetup event held at NASA Headquarters, Ju... More

STS-125 Tweetup. NASA public domain image colelction.

STS-125 Tweetup. NASA public domain image colelction.

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 ... More

STS-127 Tweetup. NASA public domain image colelction.

STS-127 Tweetup. NASA public domain image colelction.

NASA Astronaut and STS-127 Mission Commander Mark Polansky, also known as @Astro_127 on Twitter, answers questions at the NASA Tweetup event held at NASA Headquarters, September 24, 2009 in Washington. Nearly ... More

Water Molecules on Moon Press Conference

Water Molecules on Moon Press Conference

Jim Green (second from left), director, Planetary Science Division, Science Mission Directorate at NASA Headquarters in Washington discusses NASA’s findings of water molecules in the polar regions of the moon a... More

STS-127 Tweetup. NASA public domain image colelction.

STS-127 Tweetup. NASA public domain image colelction.

NASA Astronaut and Mission Speciliast Tom Marshburn answers questions at the NASA Tweetup event held at NASA Headquarters, September 24, 2009 in Washington. Nearly 200 of NASA’s Twitter followers are in attend... More

STS-127 Tweetup. NASA public domain image colelction.

STS-127 Tweetup. NASA public domain image colelction.

Canadian Space Agency Astronaut and STS-127 Mission Specialist Julie Payette answers questions at the NASA Tweetup event held at NASA Headquarters, September 24, 2009 in Washington. Nearly 200 of NASA’s Twitte... More

STS-127 Tweetup. NASA public domain image colelction.

STS-127 Tweetup. NASA public domain image colelction.

NASA Astronaut and Mission Specialist Dave Wolf, center, answers questions at the NASA Tweetup event held at NASA Headquarters, September 24, 2009 in Washington. Nearly 200 of NASA’s Twitter followers are in a... More

STS-127 Tweetup. NASA public domain image colelction.

STS-127 Tweetup. NASA public domain image colelction.

STS-127 shuttle mission crew members from left, Commander Mark Polansky, Pilot Doug Hurley, Mission Specialists Christopher Cassidy, Tom Marshburn, Dave Wolf and Julie Payette of the Canadian Space Agency, give... More

Water Molecules on Moon Press Conference

Water Molecules on Moon Press Conference

Jim Green (far left), director, Planetary Science Division, Science MissionDirectorate at NASA Headquarters in Washington; Carle Pieters, principal investigator, Moon Mineralogy Mapper, Brown University; Rob Gr... More

Water Molecules on Moon Press Conference

Water Molecules on Moon Press Conference

Roger Clark, team member, Cassini spacecraft Visual and Infrared Mapping Spectrometer and co-investigator, Moon Mineralogy Mapper, U.S. Geological Survey in Denver answers questions on NASA’s discovery of water... More

NASA Live Tweetup Event with International Space Station

NASA Live Tweetup Event with International Space Station

Former NASA astronaut Tom Jones answers questions from Tweetup attendees at NASA Headquarters in Washington on what it is like to live and work in space, Wednesday, Oct. 21, 2009. Photo Credit: (NASA/Carla Cioffi) 

NASA Live Tweetup Event with International Space Station

NASA Live Tweetup Event with International Space Station

Expedition 20 Flight Engineers Jeff Williams, left, and Nicole Stott, seen on screen, are asked a question by a NASA Twitter follower, center, during a question and answer session at a live Tweetup event at NAS... More

NASA Live Tweetup Event with International Space Station

NASA Live Tweetup Event with International Space Station

Expedition 20 Flight Engineers Jeff Williams, left, and Nicole Stott, seen on screen, are asked a question by a NASA Twitter follower, right, during a question and answer session at a live Tweetup event at NASA... More

NASA Live Tweetup Event with International Space Station

NASA Live Tweetup Event with International Space Station

Former NASA astronaut Tom Jones shows off a sleeping bag used by astronauts living aboard the International Space Station during a NASA Tweetup event at NASA Headquarters in Washington, Wednesday, Oct. 21, 2009... More

NASA Live Tweetup Event with International Space Station

NASA Live Tweetup Event with International Space Station

NASA astronaut Mike Fincke, a former International Space Station commander, is seen on screen as he answers questions from NASA Twitter followers during a live Tweetup event held at NASA Headquarters in Washing... More

STS-129 Tweetup. NASA public domain image. Kennedy space center.

STS-129 Tweetup. NASA public domain image. Kennedy space center.

Twitter users arrive for the start of a two-day NASA Tweetup event held at NASA's Kennedy Space Center in Cape Canaveral, Fla, Sunday, Nov. 15, 2009. NASA Twitter followers in attendance will have the opportuni... More

STS-129 Tweetup. NASA public domain image. Kennedy space center.

STS-129 Tweetup. NASA public domain image. Kennedy space center.

A NASA "Tweep" has his picture taken in front of space shuttle Atlantis at launch pad 39A during a tour of Kennedy Space Center in Cape Canaveral, Fla, Sunday, Nov. 15, 2009. Space shuttle Atlantis is set to la... More

STS-129 Tweetup. NASA public domain image. Kennedy space center.

STS-129 Tweetup. NASA public domain image. Kennedy space center.

Mike Massimino, NASA Astronaut, known on twitter as @Astro_Mike, speaks during a two-day NASA Tweetup event held at NASA's Kennedy Space Center in Cape Canaveral, Fla, Sunday, Nov. 15, 2009. NASA Twitter follow... More

Expedition 23 Launch Day. NASA public domain image colelction.

Expedition 23 Launch Day. NASA public domain image colelction.

Expedition 23 NASA Flight Engineer Tracy Caldwell Dyson of the U.S. has her Russian Sokol suit prepared for launch by a technician at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Friday, April 2, 2010. Cald... More

Expedition 23 Launch. NASA public domain image colelction.

Expedition 23 Launch. NASA public domain image colelction.

Expedition 23 Flight Engineer Mikhail Kornienko of Russia, top, NASA Flight Engineer Tracy Caldwell Dyson of the U.S. and Soyuz Commander Alexander Skvortsov of Russia, bottom, wave farewell from the bottom of ... More

Expedition 23 Launch Day. NASA public domain image colelction.

Expedition 23 Launch Day. NASA public domain image colelction.

Expedition 23 Flight Engineer Tracy Caldwell Dyson, left, and Soyuz Commander Alexander Skvortsov wave farewell to well wishers as they depart the Cosmonaut Hotel on the morning of their Soyuz launch to the Int... More

Expedition 23 Launch Day. NASA public domain image colelction.

Expedition 23 Launch Day. NASA public domain image colelction.

Expedition 23 Flight Engineer Tracy Caldwell Dyson, front left, Expedition 23 Soyuz Commander Alexander Skvortsov, front center, and Expedition 23 Flight Engineer Mikhail Kornienko pose with backup crewmembers ... More

Expedition 23 Launch Day. NASA public domain image colelction.

Expedition 23 Launch Day. NASA public domain image colelction.

Expedition 23 Flight Engineer Mikhail Kornienko of the Russia has his Russian Sokol suit prepared for launch by a technician at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Friday, April 2, 2010. Kornienko ... More

Expedition 23 Launch Day. NASA public domain image colelction.

Expedition 23 Launch Day. NASA public domain image colelction.

Expedition 23 NASA Flight Engineer Tracy Caldwell Dyson of the U.S. prepares to have her Russian Sokol suit pressure checked at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Friday, April 2, 2010. Caldwell D... More

Expedition 23 Launch Day. NASA public domain image colelction.

Expedition 23 Launch Day. NASA public domain image colelction.

Expedition 23 Soyuz Commander Alexander Skvortsov has his Russian Sokol suit pressure checked at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Friday, April 2, 2010. Skvortsov and fellow Expedition 23 crew ... More

Expedition 23 Launch Day. NASA public domain image colelction.

Expedition 23 Launch Day. NASA public domain image colelction.

Expedition 23 NASA Flight Engineer Tracy Caldwell Dyson of the U.S. has her Russian Sokol suit prepared for launch by a technician at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Friday, April 2, 2010. Cald... More

Expedition 23 Launch Day. NASA public domain image colelction.

Expedition 23 Launch Day. NASA public domain image colelction.

Expedition 23 NASA Flight Engineer Tracy Caldwell Dyson of the U.S. prepares to have her Russian Sokol suit pressure checked at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Friday, April 2, 2010. Caldwell D... More

Expedition 23 Launch Day. NASA public domain image colelction.

Expedition 23 Launch Day. NASA public domain image colelction.

Expedition 23 Flight Engineer Mikhail Kornienko of Russia, top, NASA Flight Engineer Tracy Caldwell Dyson of the U.S. and Soyuz Commander Alexander Skvortsov of Russia, bottom, wave farewell from the bottom of ... More

Expedition 23 Launch Day. NASA public domain image colelction.

Expedition 23 Launch Day. NASA public domain image colelction.

Expedition 23 NASA Flight Engineer Tracy Caldwell Dyson of the U.S. prepares to have her Russian Sokol suit pressure checked at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Friday, April 2, 2010. Caldwell D... More

Expedition 23 Launch Day. NASA public domain image colelction.

Expedition 23 Launch Day. NASA public domain image colelction.

Expedition 23 NASA Flight Engineer Tracy Caldwell Dyson, left, Soyuz Commander Alexander Skvortsov or Russia, and Flight Engineer Mikhail Kornienko of the Russia, right, have their Russian Sokol suits prepared ... More

Expedition 23 Launch Day. NASA public domain image colelction.

Expedition 23 Launch Day. NASA public domain image colelction.

Expedition 23 NASA Flight Engineer Tracy Caldwell Dyson of the U.S. has her Russian Sokol suit prepared for launch by a technician at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Friday, April 2, 2010. Cald... More

Expedition 23 Launch Day. NASA public domain image colelction.

Expedition 23 Launch Day. NASA public domain image colelction.

Expedition 23 Flight Engineer Mikhail Kornienko of Russia prepares to have his Russian Sokol suit pressure checked at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Friday, April 2, 2010. Kornienko and fello... More

Expedition 23 Launch Day. NASA public domain image colelction.

Expedition 23 Launch Day. NASA public domain image colelction.

Expedition 23 NASA Flight Engineer Tracy Caldwell Dyson of the U.S. prepares to have her Russian Sokol suit pressure checked at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Friday, April 2, 2010. Caldwell D... More

Expedition 23 Launch Day. NASA public domain image colelction.

Expedition 23 Launch Day. NASA public domain image colelction.

Expedition 23 NASA Flight Engineer Tracy Caldwell Dyson of the U.S. prepares to have her Russian Sokol suit pressure checked at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Friday, April 2, 2010. Caldwell D... More

Expedition 23 Launch Day. NASA public domain image colelction.

Expedition 23 Launch Day. NASA public domain image colelction.

Expedition 23 Flight Engineer Mikhail Kornienko of the Russia has his Russian Sokol suit prepared for launch by a technician at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Friday, April 2, 2010. Kornienko ... More

Expedition 23 Launch Day, Russian Space Program

Expedition 23 Launch Day, Russian Space Program

Expedition 23 Flight Engineer Tracy Caldwell Dyson talks with family and colleagues from behind glass prior to her launch onboard a Soyuz rocket with Soyuz Commander Alexander Skvortsov and Flight Engineer Mikh... More

Expedition 23 Launch Day. NASA public domain image colelction.

Expedition 23 Launch Day. NASA public domain image colelction.

Expedition 23 NASA Flight Engineer Tracy Caldwell Dyson of the U.S. prepares to have her Russian Sokol suit pressure checked at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Friday, April 2, 2010. Caldwell D... More

Expedition 23 Launch Day. NASA public domain image colelction.

Expedition 23 Launch Day. NASA public domain image colelction.

Expedition 23 Flight Engineer Mikhail Kornienko of the Russia has his Russian Sokol suit prepared for launch by a technician at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Friday, April 2, 2010. Kornienko ... More

Expedition 23 Launch Day. NASA public domain image colelction.

Expedition 23 Launch Day. NASA public domain image colelction.

Expedition 23 Flight Engineer Mikhail Kornienko of Russia has his Russian Sokol suit pressure checked at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Friday, April 2, 2010. Kornienko and fellow Expedition ... More

Expedition 23 Launch Day. NASA public domain image colelction.

Expedition 23 Launch Day. NASA public domain image colelction.

Expedition 23 Soyuz Commander Alexander Skvortsov has his Russian Sokol suit pressure checked at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Friday, April 2, 2010. Skvortsov and fellow Expedition 23 crew ... More

Expedition 23 Docking. NASA public domain image colelction.

Expedition 23 Docking. NASA public domain image colelction.

The crew of Expedition 23 are seen on a large TV screen in the Russian Mission Control Center in Korolev, Russia, Sunday, April 4, 2010, shortly after the Soyuz TMA-18 spacecraft docked to the International Spa... More

Expedition 23 Docking. NASA public domain image colelction.

Expedition 23 Docking. NASA public domain image colelction.

A large TV screen in Russian Mission Control Center in Korolev, Russia shows Expedition 23 Commander Oleg Kotov, right, welcoming NASA astronaut and Flight Engineer Tracy Caldwell Dyson onboard the Internationa... More

Expedition 23 Docking, Russian Space Program

Expedition 23 Docking, Russian Space Program

Kirk Shireman, right, NASA's deputy ISS program manager, answers reporter’s questions during a Soyuz post-docking press conference at the Russian Mission Control Center in Korolev, Russia on Sunday, April 4, 20... More

NASA's Solar Dynamics Observatory Unveils New Images

NASA's Solar Dynamics Observatory Unveils New Images

Alan Title, second from left, principal investigator, Atmospheric Imaging Assembly instrument, Lockheed Martin Solar and Astrophysics Laboratory in Palo Alto, speaks during a briefing to discuss recent images f... More

Expedition 24 Prelaunch Press Conference

Expedition 24 Prelaunch Press Conference

Expedition 24 prime and back-up crew members pose pose for a group photo after a press conference held at the Cosmonaut Hotel in Baikonur, Kazakhstan, Monday, June 14, 2010. From left: NASA astronaut Doug Whee... More

Expedition 24 Prelaunch Press Conference

Expedition 24 Prelaunch Press Conference

Expedition 24 Flight Engineer Shannon Walker, left, and back-up crew member Cady Coleman smile during a press conference held at the Cosmonaut Hotel in Baikonur, Kazakhstan, Monday, June 14, 2010. The launch of... More

Expedition 24 Prelaunch Press Conference

Expedition 24 Prelaunch Press Conference

Expedition 24 Flight Engineer Shannon Walker answers a reporter’s question during a press conference held at the Cosmonaut Hotel in Baikonur, Kazakhstan on Monday, June 14, 2010. The launch of the Soyuz spacec... More

Expedition 24 Prelaunch Press Conference

Expedition 24 Prelaunch Press Conference

Expedition 24 Flight Engineers Doug Wheelock, left, and Shannon Walker say goodbye to friends and family after a press conference held at the Cosmonaut Hotel in Baikonur, Kazakhstan, Monday, June 14, 2010. The ... More

Expedition 24 Prelaunch Press Conference

Expedition 24 Prelaunch Press Conference

The crew of Expedition 24 Flight Engineer Doug Wheelock, left, Soyuz Commander Fyodor Yurchikhin and Flight Engineer Shannon Walker, right, pose for a group photo after a press conference held at the Cosmonaut ... More

Expedition 24 Launch Day. NASA public domain image colelction.

Expedition 24 Launch Day. NASA public domain image colelction.

Expedition 24 NASA Flight Engineer Doug Wheelock has his Russian Sokol suit prepared for launch by a technician at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Tuesday, June 15, 2010. Wheelock, Soyuz Comman... More

Expedition 24 Launch Day. NASA public domain image colelction.

Expedition 24 Launch Day. NASA public domain image colelction.

Expedition 24 NASA Flight Engineer Shannon Walker has her Russian Sokol suit prepared for launch by technicians at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Tuesday, June 15, 2010. Walker, Soyuz Commande... More

Expedition 24 Launch Day. NASA public domain image colelction.

Expedition 24 Launch Day. NASA public domain image colelction.

Expedition 24 NASA Flight Engineer Doug Wheelock has his Russian Sokol suit prepared for launch by a technician at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Tuesday, June 15, 2010. Wheelock, Soyuz Comman... More

Expedition 24 Launch Day. NASA public domain image colelction.

Expedition 24 Launch Day. NASA public domain image colelction.

Expedition 24 back-up European Space Agency crew member Paolo Nespoli of Italy, far left, helps Doug Wheelock and Soyuz Commander Fyodor Yurchikhin with their Russian Sokol suit preparations at the Baikonur Cos... More

Expedition 24 Launch Day. NASA public domain image colelction.

Expedition 24 Launch Day. NASA public domain image colelction.

Expedition 24 NASA Flight Engineer Doug Wheelock, center, has his Russian Sokol suit prepared for launch by a technician at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Tuesday, June 15, 2010. Wheelock, Soy... More

Expedition 24 Launch Day. NASA public domain image colelction.

Expedition 24 Launch Day. NASA public domain image colelction.

Expedition 24 Flight Engineer Shannon Walker has her Russian Sokol suit pressure checked at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Tuesday, June 15, 2010. Walker and fellow Expedition 24 crew members ... More

Expedition 24 Launch Day. NASA public domain image colelction.

Expedition 24 Launch Day. NASA public domain image colelction.

Expedition 24 Soyuz Commander Fyodor Yurchikhin has his Russian Sokol suit pressure checked at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Tuesday, June 15, 2010. Yurchikhin and fellow Expedition 24 crew m... More

Expedition 24 Launch Day. NASA public domain image colelction.

Expedition 24 Launch Day. NASA public domain image colelction.

Expedition 24 NASA Flight Engineer Shannon Walker has her Russian Sokol suit prepared for launch by technicians at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Tuesday, June 15, 2010. Walker, Soyuz Commande... More

Expedition 24 Launch Day. NASA public domain image colelction.

Expedition 24 Launch Day. NASA public domain image colelction.

Expedition 24 NASA Flight Engineer Shannon Walker, far right, Soyuz Commander Fyodor Yurchikhin, second from right, and Flight Engineer Doug Wheelock don their Russian Sokol suits at the Baikonur Cosmodrome in ... More

Expedition 24 Launch Day. NASA public domain image colelction.

Expedition 24 Launch Day. NASA public domain image colelction.

Expedition 24 NASA Flight Engineer Doug Wheelock, left, of the U.S. and Soyuz Commander Fyodor Yurchikhin have their Russian Sokol suits prepared for launch by a technician at the Baikonur Cosmodrome in Baikonu... More

Expedition 24 Launch Day. NASA public domain image colelction.

Expedition 24 Launch Day. NASA public domain image colelction.

Expedition 24 NASA Flight Engineer Shannon Walker has her Russian Sokol suit prepared for launch by technicians at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Tuesday, June 15, 2010. Walker, Soyuz Commande... More

Expedition 24 Launch Day. NASA public domain image colelction.

Expedition 24 Launch Day. NASA public domain image colelction.

Expedition 24 back-up European Space Agency crew member Paolo Nespoli of Italy helps Doug Wheelock with his Russian Sokol suit preparations at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Tuesday, June 15, ... More

Expedition 24 Launch Day. NASA public domain image colelction.

Expedition 24 Launch Day. NASA public domain image colelction.

Expedition 24 Flight Enginner Shannon Walker waits to have her Russian Sokol Suit pressure checked at the Baikonur Cosmodrome, Tuesday, June 15, 2010. Walker, Flight Engineer Doug Wheelock and Soyuz Commander ... More

Expedition 24 Launch Day. NASA public domain image colelction.

Expedition 24 Launch Day. NASA public domain image colelction.

Expedition 24 NASA Flight Engineer Shannon Walker has her Russian Sokol suit prepared for launch by technicians at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Tuesday, June 15, 2010. Walker, Soyuz Commande... More

Expedition 24 Launch Day. NASA public domain image colelction.

Expedition 24 Launch Day. NASA public domain image colelction.

Expedition 24 NASA Flight Engineer Shannon Walker dons her Russian Sokol Suit with the help of suit technicians at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Tuesday, June 15, 2010. Photo Credit: (NASA/C... More

Expedition 24 Launch Day. NASA public domain image colelction.

Expedition 24 Launch Day. NASA public domain image colelction.

Expedition 24 Flight Engineer Shannon Walker has her Russian Sokol suit pressure checked at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Tuesday, June 15, 2010. Walker and fellow Expedition 24 crew members ... More

Expedition 24 Launch Day. NASA public domain image colelction.

Expedition 24 Launch Day. NASA public domain image colelction.

Expedition 24 Flight Engineer Doug Wheelock has his Russian Sokol suit pressure checked at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Tuesday, June 15, 2010. Wheelock and fellow Expedition 24 crew members... More

Expedition 24 Launch Day. NASA public domain image colelction.

Expedition 24 Launch Day. NASA public domain image colelction.

Expedition 24 Flight Enginner Shannon Walker waves to family and friends while he waits to have his Russian Sokol Suit pressure checked at the Baikonur Cosmodrome, Tuesday, June 15, 2010. Wheelock, Flight Engi... More

Expedition 24 Launch Day. NASA public domain image colelction.

Expedition 24 Launch Day. NASA public domain image colelction.

Expedition 24 NASA Flight Engineer Shannon Walker has her Russian Sokol suit prepared for launch by technicians at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Tuesday, June 15, 2010. Walker, Soyuz Commande... More

Expedition 24 Launch Day. NASA public domain image colelction.

Expedition 24 Launch Day. NASA public domain image colelction.

Expedition 24 NASA Flight Engineer Shannon Walker, top, Expedition 24 NASA Flight Engineer Doug Wheelock, center, and Expedition 24 Soyuz Commander Fyodor Yurchikhin prepare to board their Soyuz TMA-19 spacecra... More

Expedition 24 Launch Day. NASA public domain image colelction.

Expedition 24 Launch Day. NASA public domain image colelction.

Expedition 24 Soyuz Commander Fyodor Yurchikhin, far right, and Flight Engineer Doug Wheelock, third from right, are escorted to the Soyuz rocket at the launch pad at the Baikonur Cosmodrome in Baikonur, Kazakh... More

Expedition 24 Launch Day. NASA public domain image colelction.

Expedition 24 Launch Day. NASA public domain image colelction.

Expedition 24 NASA Flight Engineer Shannon Walker, top, Expedition 24 NASA Flight Engineer Doug Wheelock, center, and Expedition 24 Soyuz Commander Fyodor Yurchikhin wave farewell from the bottom of the Soyuz r... More

Expedition 24 Launch Day. NASA public domain image colelction.

Expedition 24 Launch Day. NASA public domain image colelction.

Expedition 24 NASA Flight Engineer Shannon Walker, top, Expedition 24 NASA Flight Engineer Doug Wheelock, center, and Expedition 24 Soyuz Commander Fyodor Yurchikhin wave farewell from the bottom of the Soyuz r... More

Expedition 24 Launch Day. NASA public domain image colelction.

Expedition 24 Launch Day. NASA public domain image colelction.

Expedition 24 Soyuz Commander Fyodor Yurchikhin, center, is escorted to the Soyuz rocket at the launch pad at the Baikonur Cosmodrome in Baikonur, Kazakhstan on Tuesday, June 15, 2010. Yurchikhin and Flight En... More

Space Technology Industry Forum

Space Technology Industry Forum

Ramona Travis, NASA Stennis Space Center Chief Technologist, speaks during the NASA New Space Technology Industry Forum being held at the University of Maryland in College Park on Wednesday, July 14, 2010. Dur... More

Expedition 25 Prelaunch. NASA public domain image colelction.

Expedition 25 Prelaunch. NASA public domain image colelction.

NASA Expedition 25 Flight Engineer, left, Expedition 25 Soyuz Commander Alexander Kaleri, and Expedition 25 Flight Engineer Oleg Skripochka receive the traditional blessing from a Russian Orthodox priest at the... More

Expedition 25 Prelaunch. NASA public domain image colelction.

Expedition 25 Prelaunch. NASA public domain image colelction.

NASA Expedition 25 Flight Engineer, left, Expedition 25 Soyuz Commander Alexander Kaleri, and Expedition 25 Flight Engineer Oleg Skripochka receive the traditional blessing from a Russian Orthodox priest at the... More

Expedition 25 Launch. NASA public domain image colelction.

Expedition 25 Launch. NASA public domain image colelction.

Expedition 25 NASA Flight Engineer Scott Kelly has his Russian Sokol Suit pressure checked at the Baikonur Cosmodrome in Kazakhstan on Friday, Oct. 8, 2010. (Photo Credit: NASA/Carla Cioffi)

Expedition 25 Launch. NASA public domain image colelction.

Expedition 25 Launch. NASA public domain image colelction.

Expedition 25 Soyuz Commander Alexander Kaleri has his Russian Sokol Suit pressure checked at the Baikonur Cosmodrome in Kazakhstan on Friday, Oct. 8, 2010. (Photo Credit: NASA/Carla Cioffi)

Expedition 25 Launch. NASA public domain image colelction.

Expedition 25 Launch. NASA public domain image colelction.

Expedition 25 Soyuz Commander Alexander Kaleri has his Russian Sokol Suit pressure checked at the Baikonur Cosmodrome in Kazakhstan on Friday, Oct. 8, 2010. (Photo Credit: NASA/Carla Cioffi)

Expedition 25 Launch. NASA public domain image colelction.

Expedition 25 Launch. NASA public domain image colelction.

Expedition 25 NASA Flight Engineer Scott Kelly of the U.S. has his Russian Sokol suit prepared for launch by a technician at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Friday, Oct. 8, 2010. Kelly and fel... More

Expedition 25 Launch. NASA public domain image colelction.

Expedition 25 Launch. NASA public domain image colelction.

Expedition 25 NASA Flight Engineer Scott Kelly of the U.S. has his Russian Sokol suit prepared for launch by a technician at the Baikonur Cosmodrome in Kazakhstan, Friday, Oct. 8, 2010. Kelly and fellow Expedi... More

Expedition 25 Launch. NASA public domain image colelction.

Expedition 25 Launch. NASA public domain image colelction.

Expedition 25 NASA Flight Engineer Scott Kelly awaits to have his Russian Sokol Suit pressure checked at the Baikonur Cosmodrome in Kazakhstan on Friday, Oct. 8, 2010. (Photo Credit: NASA/Carla Cioffi)

Expedition 25 Launch. NASA public domain image colelction.

Expedition 25 Launch. NASA public domain image colelction.

Expedition 25 crew members prepare to have their Russian Sokol Suits pressure checked at the Baikonur Cosmodrome in Kazakhstan on Friday, Oct. 8, 2010. Soyuz Commander Alexander Kaleri, NASA Flight Engineer Sco... More

Expedition 25 Launch. NASA public domain image colelction.

Expedition 25 Launch. NASA public domain image colelction.

Expedition 25 NASA Flight Engineer Scott Kelly has his Russian Sokol Suit pressure checked at the Baikonur Cosmodrome in Kazakhstan on Friday, Oct. 8, 2010. (Photo Credit: NASA/Carla Cioffi)

Expedition 25 Launch. NASA public domain image colelction.

Expedition 25 Launch. NASA public domain image colelction.

Expedition 25 Flight Engineer Oleg Skripochka has his Russian Sokol Suit pressure checked at the Baikonur Cosmodrome in Kazakhstan on Friday, Oct. 8, 2010. (Photo Credit: NASA/Carla Cioffi)

Expedition 25 Launch. NASA public domain image colelction.

Expedition 25 Launch. NASA public domain image colelction.

Expedition 25 NASA Flight Engineer Scott Kelly of the U.S., left, and Soyuz Commander Alexander Kaleri have their Russian Sokol suits prepared for launch by technicians at the Baikonur Cosmodrome in Kazakhstan,... More

Expedition 25 Launch. NASA public domain image colelction.

Expedition 25 Launch. NASA public domain image colelction.

Expedition 25 NASA Flight Engineer Scott Kelly of the U.S. has his Russian Sokol suit prepared for launch by a technician at the Baikonur Cosmodrome in Kazakhstan, Friday, Oct. 8, 2010. Kelly and fellow Expedi... More

Expedition 25 Launch. NASA public domain image colelction.

Expedition 25 Launch. NASA public domain image colelction.

Expedition 25 Soyuz Commander Alexander Kaleri has his Russian Sokol Suit pressure checked at the Baikonur Cosmodrome in Kazakhstan on Friday, Oct. 8, 2010. (Photo Credit: NASA/Carla Cioffi)

Expedition 25 Launch Day. NASA public domain image colelction.

Expedition 25 Launch Day. NASA public domain image colelction.

Expedition 25 Soyuz Commander Alexander Kaleri of Russia, bottom, NASA Flight Engineer Scott Kelly of the U.S., center, and Russian Flight Engineer Oleg Skripochka wave farewell from the bottom of the soyuz roc... More

Expedition 25 Launch. NASA public domain image colelction.

Expedition 25 Launch. NASA public domain image colelction.

Expedition 25 NASA Flight Engineer Scott Kelly has his Russian Sokol Suit pressure checked at the Baikonur Cosmodrome in Kazakhstan on Friday, Oct. 8, 2010. (Photo Credit: NASA/Carla Cioffi)

Expedition 25 Launch. NASA public domain image colelction.

Expedition 25 Launch. NASA public domain image colelction.

Expedition 25 Flight Engineer Oleg Skripochka awaits to have his Russian Sokol Suit pressure checked at the Baikonur Cosmodrome in Kazakhstan on Friday, Oct. 8, 2010. (Photo Credit: NASA/Carla Cioffi)

Expedition 25 Launch. NASA public domain image colelction.

Expedition 25 Launch. NASA public domain image colelction.

Expedition 25 NASA Flight Engineer Scott Kelly of the U.S. has his Russian Sokol suit prepared for launch by a technician at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Friday, Oct. 8, 2010. Kelly and fel... More

Expedition 25 Launch. NASA public domain image colelction.

Expedition 25 Launch. NASA public domain image colelction.

Expedition 25 Soyuz Commander Alexander Kaleri awaits to have his Russian Sokol Suit pressure checked at the Baikonur Cosmodrome on Friday, Oct. 8, 2010 in Baikonur, Kazakhstan. Kaleri and fellow Expedition 25... More

Expedition 25 Launch. NASA public domain image colelction.

Expedition 25 Launch. NASA public domain image colelction.

Expedition 25 Flight Engineer Oleg Skripochka awaits to have his Russian Sokol Suit pressure checked at the Baikonur Cosmodrome on Friday, Oct. 8, 2010 in Kazakhstan. Skripochka, Soyuz Commander Alexander Kale... More

Expedition 25 Launch. NASA public domain image colelction.

Expedition 25 Launch. NASA public domain image colelction.

Expedition 25 Soyuz Commander Alexander Kaleri has his Russian Sokol Suit pressure checked at the Baikonur Cosmodrome in Kazakhstan on Friday, Oct. 8, 2010. (Photo Credit: NASA/Carla Cioffi)

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