
Project Mercury Astronaut John H. Glenn Jr., prime pilot for the MA-6 mission, takes a work-out in the procedures trainer…

Astronaut nurse Delores B. O’Hara, R.N., in the Aeromedical Laboratory at Cape Canaveral, Florida, takes a blood sample from Mercury…

As crew members secure the X-15 rocket-powered aircraft after a research flight, the B-52 mothership used for launching this unique…

Astronaut John H. Glenn Jr., suited with hose to suit ventilation unit attached, during altitude chamber test.

Donning a spacesuit for the Mercury-Redstone 4 (MR-4) mission, astronaut Virgil I. (Gus) Grissom chats with spaceflight equipment specialist Joe…

Project Mercury pressure suit specialist Joseph W. Schmitt adjusts a respirometer attached to the helmet of astronaut Virgil I. Grissom…

Project Mercury Astronaut Virgil I. Grissom, primary pilot for the Mercury-Redstone 4 manned space flight known as Liberty Bell 7,…

Astronaut Gus Grissom relaxes in his quarters at Cape Canaveral before his flight.

Project Mercury astronaut Virgil I. “Gus” Grissom, assisted by McDonnell technicians, leaves Mercury spacecraft, dubbed Liberty Bell 7, following simulated…