The CH-53D Sea Stallion is a medium lift helicopter used by the Marines Corps. It is being replaced by the MV-22 Osprey and the heavy lift mission has been taken over by the more capable, three-engine ...

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When considering the history of American military helicopters, arguably no other aircraft has had the longevity of Boeing's CH-47 Chinook. Iconic for its distinctive long-body design, the U.S. Army ...