NASA - National Aeronautics and Space Administration

JSC2010-E-055368 (21 April 2010) --- NASA's Johnson Space Center (JSC) director Michael L. Coats (left) addresses a large crowd of well-wishers at the STS-131 crew return ceremony on April 21, 2010 at Ellington Field near JSC. NASA astronaut Alan Poindexter, STS-131 commander, is at right.

JSC2010-E-055369 (21 April 2010) --- Dr. Kuniaki Shiraki, executive director, Japan Aerospace Exploration Agency (JAXA), addresses a large crowd of well-wishers at the STS-131 crew return ceremony on April 21, 2010 at Ellington Field near NASA's Johnson Space Center.

JSC2010-E-055371 (21 April 2010) --- NASA astronaut Alan Poindexter, STS-131 commander, addresses a large crowd of well-wishers at the STS-131 crew return ceremony on April 21, 2010 at Ellington Field near NASA's Johnson Space Center.

JSC2010-E-055374 (21 April 2010) --- NASA astronaut Stephanie Wilson, STS-131 mission specialist, is pictured during the STS-131 crew return ceremony on April 21, 2010 at Ellington Field near NASA's Johnson Space Center.

JSC2010-E-055375 (21 April 2010) --- NASA astronaut Alan Poindexter, STS-131 commander, addresses a large crowd of well-wishers at the STS-131 crew return ceremony on April 21, 2010 at Ellington Field near NASA's Johnson Space Center.

JSC2010-E-055376 (21 April 2010) --- Japan Aerospace Exploration Agency (JAXA) astronaut Naoko Yamazaki, STS-131 mission specialist, is pictured during the STS-131 crew return ceremony on April 21, 2010 at Ellington Field near NASA's Johnson Space Center.

JSC2010-E-055377 (21 April 2010) --- NASA astronaut Clayton Anderson, STS-131 mission specialist, is pictured during the STS-131 crew return ceremony on April 21, 2010 at Ellington Field near NASA's Johnson Space Center.

JSC2010-E-055378 (21 April 2010) --- NASA astronaut Rick Mastracchio, STS-131 mission specialist, is pictured during the STS-131 crew return ceremony on April 21, 2010 at Ellington Field near NASA's Johnson Space Center.

JSC2010-E-055379 (21 April 2010) --- NASA astronaut James P. Dutton Jr., STS-131 pilot, addresses a large crowd of well-wishers at the STS-131 crew return ceremony on April 21, 2010 at Ellington Field near NASA's Johnson Space Center.

JSC2010-E-055380 (21 April 2010) --- NASA astronaut Rick Mastracchio, STS-131 mission specialist, addresses a large crowd of well-wishers at the STS-131 crew return ceremony on April 21, 2010 at Ellington Field near NASA's Johnson Space Center.