NASA

Two Apollo 16 astronauts inspect the Lunar Roving Vehicle before their mission.

The X-15 rocket powered aircraft taken aloft under the wing of a B-52.

An astronaut conducts an experiment outside the Shuttle.

The Vought F-8A, dubbed the TF-8A, was used to test the experimental Supercritical Wing airfoil.

An insider view of the world's largest wind tunnel which was designed and managed by NACA.

Apollo 13 astronauts practice their moonwalk at the Kennedy Space Center before the lunar mission.

The Lunar Landing Research Vehicle simulates a lunar landing from a near maximum altitude over Edwards Air Force Base.

Navy swimmers assist the Apollo 13 crew after splashdown.

Dawn breaks as the ASTP Saturn IB launch vehicle undergoes the Countdown Demonstration Test.

The free world's largest rocket booster is being pushed up Pearl River to a testing facility.

Puncture rigs were used to measure pressure during irradiation.

An engineer inspects an aircraft model in the Icing Research Tunnel.

Space Shuttle Atlantis is connected to Russia's Mir Space Station.

The Lunar Module Adapter is shown here attached to the Saturn IV-B stage.

The Sikorsky S-64 Skycrane helicopter was retired from military service in the 1970s.

The Apollo 8 Crew stands in the door of a recovery helicopter.

Engineers take motion pictures of the thrust augmentor flame.

A technician mounts an Apollo Launch Escape System model in the Unitary Wind Tunnel.

An astronaut is pictured on his extravehicular activity on the fourth day of the Apollo 9 mission.

Two NACA pilots and the X-1-2 aircraft that they flew.

This research satellite would eventually provide a stable point in the sky to reflect pulses of laser light.

The Space Shuttle Endeavour is seen atop NASA's 747 Shuttle Carrier Aircraft No. 911.

An astronaut holds a sample of lunar soil in a container.

Two men sit in the control room of the Plum Brook Facility before it was shutdown.

This spacecraft booster was launched from Cape Canaveral in what was known as a Project Mercury test.