Keywords: US Navy 040506-N-0057D-004 Lt. Cmdr. Chris Cassidy, second from the right, stands in front the Space Shuttle Enterprise with retired Senator-Former Astronaut John Glenn.jpg en Chantilly Va May 6 2004 - Lt Cmdr Chris Cassidy second from the right stands in front the Space Shuttle Enterprise with retired Senator/Former Astronaut John Glenn and his fellow 2004 astronaut candidates NASA officially introduced The Next Generation of Explorers NASA s 2004 Astronaut Candidate Class during a Space Day ceremony hosted at the National Air and Space Museum's Steven F Udvar-Hazy Center in Chantilly Va Cassidy a member of the Sea Air and Land SEAL Team 10 located in Virginia Beach Va was selected to begin astronaut training this summer as a Mission Specialist at NASA's Johnson Space Center JSC in Houston U S Navy photo by Photographer s Mate 1st Class Tim Duckworth RELEASED 2004-05-06 040506-N-0057D-004 Navy http //www navy mil/view_image asp id 13900 U S Navy photo by Photographer s Mate 1st Class Tim Duckworth PD-USGov-Military-Navy Images from US Navy location Chantilly Va Astronauts from the United States John Glenn Christopher Cassidy |