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Closely related to the development of the Bell AH-1 is the story of the Bell UH-1 Iroquois transport helicopter—an icon of the Vietnam War and one of the most numerous helicopter types built. The UH-1 made the theory of air cavalry practical, as the new tactics called for US forces to be highly mobile across a wide area.
The R-4 was the world's first large-scale mass-produced helicopter and the first helicopter used by the United States Army Air Forces, [1] the United States Navy, the United States Coast Guard and the United Kingdom's Royal Air Force and Royal Navy. In U.S. Navy and U.S. Coast Guard service, the helicopter was known as the Sikorsky HNS-1.
It is the first member of the prolific Huey family, as well as the first turbine-powered helicopter in service with the United States military. Development of the Iroquois started in the early 1950s, a major impetus being a requirement issued by the United States Army for a new medical evacuation and utility helicopter.
It was used by the United States Coast Guard. 1958 1961 175 Sikorsky SH-3 Sea King: ASW/SAR/utility helicopter Sikorsky Aircraft Corporation: used as the official helicopters of the President of the United States Marine One: 1959 1961 1500 Sikorsky S-61R: Medium-lift transport/SAR helicopter Sikorsky Aircraft Corporation
The AH-1 Cobra was developed in the mid-1960s as an interim gunship for the U.S. Army for use during the Vietnam War. The Cobra shared the proven transmission, rotor system, and the Lycoming T53 turboshaft engine of the prolific UH-1 "Huey" utility helicopter. [2] By June 1967, the first AH-1G HueyCobras had been delivered.
The first United States use of the armed helicopter in large-scale combat operations was during the Vietnam War. First the U.S. Army modified UH-1B 'Huey' helicopters, mounting machine guns and Folding Fin Aerial Rockets (FFAR) on struts parallel with the fuselage. Eventually, the U.S. Army would upgrade the engine and rotor to the UH-1C model ...
On 11 December 1961, the USS Core (T-AKV-41) docked in Saigon with 32 U.S. Army Piasecki H-21 helicopters and 400 crewmen of the 8th Transportation Company (Light Helicopter) and the 57th Transportation Company (Light Helicopter). A little more than 12 days later, Operation Chopper commenced.
An AH-1 SuperCobra (left) and UH-1Y Venom (right) operated by the United States Marine Corps. Among the first practical uses of helicopters when the Sikorsky R-4 and R-5 became available to British and American forces was deployment from navy cruisers and battleships, at first supplementing and later replacing catapult-launched observation ...