Pictures of Cold War aircraft. (2 Viewers)

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Boeing XB-47D propjet with experimental fit of Wright YT49-W-1 turboprop engine and four-blade paddle prop.

Great picture! Looks like it has 2 turbo prop engines installed, airflow tufts on top of both wings, and a video camera mounted on top of the vertical stabilizer, I wonder if the notoriously loud Wright YT49-W-1 engines or the original jets made more noise?
U.S. Navy Sikorsky MH-53E prototype, Florida, 15 April 1984. The helicopter is towing a magnetic-influence hydrofoil
vehicle during dynamic tow tests off Panama City. Production deliveries of the helicopter are scheduled to begin in late


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