STS-129 Mission Specialist Leland Melvin speaks to a class room of students at the Howard University Middle School of Math and Science, Tuesday, Jan. 12, 2010, on the campus of Howard University in Washington. Photo Credit: (NASA/Paul E. Alers)

STS-129 Mission Specialist Leland Melvin speaks to students at the Howard University Middle School of Math and Science, Tuesday, Jan. 12, 2010, on the campus of Howard University in Washington. Photo Credit: (NASA/Paul E. Alers)

STS-129 Mission Specialist Randy Bresnick, second from right, answers a question from the audience as fellow crew members look on, Monday, Jan. 11, 2010, during a presentation to staff and middle school students from the Congressional Schools of Virginia at NASA Headquarters in Washington. Photo Credit: (NASA/Paul E. Alers)

STS-129 Pilot Barry Wilmore, left, answers a question from the audience as Mission Specialist Leland Melvin, looks on, Monday, Jan. 11, 2010, during a presentation to staff and middle school students from the Congressional Schools of Virginia at NASA Headquarters in Washington. Photo Credit: (NASA/Paul E. Alers)

STS-129 Mission Specialist Robert Satcher, lower right, interacts with the audience as he and fellow crew members sign autographs, Monday, Jan. 11, 2010, following a presentation to staff and middle school students from the Congressional Schools of Virginia at NASA Headquarters in Washington. Photo Credit: (NASA/Paul E. Alers)

STS-129 Mission Specialist Leland Melvin, left. looks on as Mission Specialist Robert Satcher answers a question during a presentation to students at the Howard University Middle School of Math and Science, Tuesday, Jan. 12, 2010, on the campus of Howard University in Washington. Photo Credit: (NASA/Paul E. Alers)

STS-129 Mission Specialist Leland Melvin, answers a question as fellow crew members look on, Monday, Jan. 11, 2010, during a presentation to staff and middle school students from the Congressional Schools of Virginia at NASA Headquarters in Washington. Photo Credit: (NASA/Paul E. Alers)

STS-129 Mission Specialist Leland Melvin speaks to students at the Howard University Middle School of Math and Science, Tuesday, Jan. 12, 2010, on the campus of Howard University in Washington. Photo Credit: (NASA/Paul E. Alers)

STS-129 crew members from left, Robert Satcher, Randy Bresnik, Mike Foreman, Barry Wilmore, Commander Charles Hobaugh and Leland Melvin pose with a group of White House Fellows at NASA Headquarters in Washington, Monday, Jan. 11, 2010. Photo Credit: (NASA/Paul E. Alers)

NASA STS-129 mission specialist Leland Melvin, standing, speaks to students assembled as fellow crew members Barry Wilmore, seated left, Mike Foreman and Randy Bresnick, seated right, look on during a presentation about their recent mission, Thursday, Jan. 14, 2010, at the Smithsonian National Air and Space Museum in Washington. Photo Credit: (NASA/Paul E. Alers)

STS-129 crew members from left, Robert Satcher, Mike Foreman, Randy Bresnik, Barry Wilmore, Commander Charles Hobaugh and Leland Melvin pose with a group of White House Fellows at NASA Headquarters in Washington, Monday, Jan. 11, 2010. Photo Credit: (NASA/Paul E. Alers)

NASA STS-129 mission pilot Barry Wilmore, second from left, demonstrates weightlessness in space with Trent Petersen, a student at Stuart-Hobson Middle School, left, as crew members Mike Foreman, Leland Melvin and Randy Bresnick, right, look on during a presentation about their recent mission, Thursday, Jan. 14, 2010, at the Smithsonian National Air and Space Museum in Washington. Photo Credit: (NASA/Paul E. Alers)

NASA STS-129 mission specialist Mike Foreman, second from left, talks about space walking as crew members Barry Wilmore, left, Leland Melvin and Randy Bresnick, right, look on during a presentation about their recent mission, Thursday, Jan. 14, 2010, at the Smithsonian National Air and Space Museum in Washington. Photo Credit: (NASA/Paul E. Alers)

Crew members from STS-129 from left; Charles Hobaugh, Commander, Barry Wilmore, Pilot, Mission Specialists, Leland Melvin, Randy Bresnick, Mike Foreman and Robert Satcher, are seen, Monday, Jan. 11, 2010, during a presentation to staff and middle school students from the Congressional Schools of Virginia at NASA Headquarters in Washington. Photo Credit: (NASA/Paul E. Alers)

NASA Administrator Charles Bolden, space shuttle crew STS-129 and members of the Congressional Black Caucus pose for a group photo at the Capitol Building, Wednesday, Jan. 13, 2010, in Washington. Back row from left to right: U.S. Rep Donna Edwards (D-MD), U.S. Rep Diane Watson (D-CA), NASA Administrator Charles Bolden, astronauts Leland Melvin, Mike Foreman, Robert Satcher, Barry Wilmore, Randy Breznik, and U.S. Rep Mel Watt (D-NC). Front row from left to right: U.S. Rep Robert Scott (D-VA), U.S. Rep. Corrine Brown (D-Fla), U.S. Rep. Barbara Lee (D-CA), U.S. Rep. Donna Christensen (D-VI) and U.S. Rep. Donald Payne (D-NJ). The crew of STS-129 presented the CBC with a montage commemorating their mission. Photo Credit: (NASA/Paul E. Alers)