US special forces’ bizarre method of flying a large helicopter through a storm while hauling war supplies
Chinook Boeing CH-47 The Boeing CH-47 Chinook is a tandem rotor helicopter developed by American rotorcraft company Vertol and manufactured by Boeing Vertol. The Chinook is a heavy lift helicopter that is among the heaviest lift Western helicopters. Its name, Chinook, comes from the Chinook Native Americans of the states of Oregon and Washington. The Chinook was originally designed by Vertol, who began work in 1957 on a new tandem-rotor helicopter, designated the Vertol Model 107 or V-107. Around the same time, the United States Department of the Army announced its intention to replace the Sikorsky CH-37 Mojave piston engines with new gas turbine powered helicopters. During June 1958, the US Army ordered a small number of V-107s from Vertol under the designation YHC-1A; After testing, some Army officials found it too heavy for strike missions and too light for transport purposes. While the YHC-1A was to be upgraded and adopted by the US Marine Corps as the CH-46 Sea Knight