Gus Grissom, was one of NASA's original Mercury 7 astronauts and became the second American to go to space on July 21, 1961. See photos from his mission here!
Mercury Redstone 4: Photos from Gus Grissom's Liberty Bell 7 Spaceflight
SPACE.com - 21 Jul 2018 08:00
Gus Grissom, was one of NASA's original Mercury 7 astronauts and became the second American to go to space on July 21, 1961. See photos from his mission here!
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