• Mercury Sigma 7 Mission Patch

Mercury Sigma 7 Mission Patch

  • Product Code: MPMerc8
  • Availability: In Stock
  • Price $6.95

Mercury 4 was the second U.S. suborbital manned space flight. Gus Grissom flew 118 miles high and 303 miles downrange. Due to an inadvertent firing of the explosive hatch, the space capsule filled with water and sank. It was later retrieved by The Discovery Channel. 3 inches.

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