STS-127 Commander Mark Polansky, at podium, speaks to White House interns at the Eisenhower Executiive Office Building in Washington, Thursday, Sept. 24, 2009. Seated from left are crew members Christopher Cassidy, David Wolf, Douglas Hurley and Thomas Marshburn. Photo Credit: (NASA/Paul E. Alers)
Photographer NASA/Paul E. Alers
Date September 24, 2009