Astronaut Kathy Sullivan poses for a picture with her space suit.

A Mercury spacecraft lands in the ocean after launched from Little Joe in a High-Q-Abort test.

After a successful mission, Cooper is assisted from his mercury capsule.

The first all-female crew of scientific experimenters prepare experiments that were used during the Space Shuttle/Spacelab missions.

A helicopter attempt to empty sea water from the Liberty Bell 7 fails.

The Apollo 9 Lunar Module is seen from the command module during the Apollo 9 earth-orbital mission.

During the Friendship 7 mission, John Glenn experiences weightlessness.

The former NASA Assistant Administrator for Policy and former Assistant Director for Research Applications at the National Science Foundation came to NACA in 1944.

Langley technicians manufacture the Boilerplate Mercury spacecraft.

Astronaut Edward H. White II, pilot for the Gemini-Titan 4 space flight, floats in space during America’s first spacewalk.

John Glenn runs through training exercises.

This astronaut has a big smile after his orbit mission in Faith 7.

NASA engineers reassembled the MA-1 Capsule to determine what caused the explosion.

Two astronauts humorously demonstrate zero-gravity during the Skylab 4 mission.

The Gemini 4 spacecraft awaits recovery with the green marker dye coloring the ocean water.

Astronauts in the C-131 "vomit comet" simulate weightless flight.

After his ride in the Little Joe 2 Spacecraft, Sam the Monkey is safely aboard a U.S. Navy destroyer.

The Mercury pilot, flanked by military medical officers, is on the U.S.S. Randolph.

Astronaut Ed White floats in space with an earth limb in the background.

The astronauts' molded couches lean against NASA's model shop wall.

The Faith 7 Mercury Space Capsule is brought on board with Cooper still inside.

Astronaut Virgil I. Grissom climbs into "Liberty Bell 7" spacecraft the morning of July 21, 1961.

Deployed from the hovering helicopter, the U.S. Navy frogmen make contact with the astronaut waiting inside.

Astronaut John Glenn dresses in his silver Mercury pressure suit preparing for his first orbit around Earth.