Military astronaut trainees excited, ready
GODDARD SPACE FLIGHT CENTER, Md. -- (From left) Navy Lt. Cmdr. Christopher Cassidy, Maj. James Dutton Jr. and Marine Corps Maj. Randy Breznik are three of the four servicemembers selected as candidates for NASA's astronaut training program. They visited here Sept. 15 as part of their orientation. They have been touring NASA facilities nationwide. (U.S. Army photo by Sgt. 1st Class Doug Sample)