Original NASA news release/press kit for the second manned Mercury suborbital launch, Mercury-Redstone 4 or 'Liberty Bell,' 14 pages, 8 x 10.5, issued July 13, 1961. The packet details MR-4 design changes, mission profile, launch chronology, and recovery forces. In fine condition. A desirable press release issued in advance of Gus Grissom's historic Liberty Bell 7 flight.
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