The Sikorsky CH-37 Mojave (company designation S-56) was a large heavy-lift helicopter by the standards of the 1950s.
The S-56 came into being as an assault transport for the United States Marine Corps (USMC), with a capacity of 26 fully-equipped troops; the order was placed in 1951, the first prototype flew in 1953, and production deliveries of the HR2S began in July 1956 to the Marine Corps' HMX-1, sixty aircraft in total being produced.
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The S-56 came into being as an assault transport for the United States Marine Corps (USMC), with a capacity of 26 fully-equipped troops; the order was placed in 1951, the first prototype flew in 1953, and production deliveries of the HR2S began in July 1956 to the Marine Corps' HMX-1, sixty aircraft in total being produced.
WIKI LINK
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