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Astronaut Alan Shepard smiles while wearing an all-silver pressure suit for the Mercury mission. He holds a white helmet in his hands.

Celebrating Astronaut Alan Shepard’s 100th Birthday

Astronaut Alan B. Shepard Jr., attired in his Mercury pressure suit, poses for a photo on May 5, 1961, prior to his launch in a Mercury-Redstone 3 spacecraft from Cape Canaveral on a suborbital mission – the first U.S. manned spaceflight.

Image Credit: NASA

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