KENNEDY SPACE CENTER, FLA. -- Crowds at NASA's Kennedy Space Center watch the U.S. Air Force Thunderbirds Demonstration Squadron perform during the World Space Expo aerial salute. Other aircraft joining in the expo salute include the U.S. Navy F-18 Super Hornets, U.S. Air Force F-22 Raptor, U.S. Air Force F-15 Eagle, P-51 Mustang Heritage Flight, the U.S. Air Force 920th Rescue Wing, which was responsible for Mercury and Gemini capsule recovery, and the U.S. Army Golden Knights precision skydivers. The World Space Expo held Nov. 1-4 was an event commemorating humanity's first 50 years in space while looking forward to returning people to the moon and exploring beyond. The expo showcased various panels, presentations and educational programs. It also was a part of NASA's 50th anniversary celebrations, highlighting the 45th Anniversary of the Mercury Program celebration featuring original NASA astronauts John Glenn and Scott Carpenter and the Pioneering Women of Aerospace forum featuring Eileen Collins and other prominent female space veterans. The agency was founded Oct. 1, 1958. Photo credit: NASA/Kim Shiflett KSC-07pd3136