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Photographs of Alan Shepard Being Suited up in His Space Gear for a Te...
Original caption: Alan Shepard, one of the three Prime Astronauts selected to take the first space ride in a Mercury Capsule, is being suited up in his space gear for a test simulation flight. The first attemp... More
Photograph of Donald Slaton Suited up in Space Gear Preparing to Enter...
Original caption: Astronaut Donald Slayton, suited up in space gear prepares to enter altitude chamber in Hanger S. Slayton and Mercury spacecraft go through many high altitude runs in the preparation chamber.... More