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Astronaut Alan Shepard prepares for testing in centrifuge
Astronaut Alan B. Shepard Jr., one of three NASA astronauts chosen for the Project Mercury first manned suborbital flight, prepares for testing in capsule of the U.S. Navy's centrifuge at Johnsville, Pennsylvania.
Catalog Date: 01 January 1961
Film Type: 8x10
NASA image: 61-MR3-19