Rare Photos of Mercury Astronauts on 50th Anniversary of Alan Shepard's Historic Flight

From Boing Boing:

May 5, 2011, is the 50th anniversary of the historic flight by Alan Shepard which made him the second person, and the first American, in space. LIFE has published a photo gallery of rare, never-before-published photos of Shepard, Glenn, Slayton, Grissom, and the rest of

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