The UH-60 Black Hawk is a four-bladed, twin-engine, medium-lift utility helicopter manufactured by Sikorsky Aircraft. Sikorsky submitted the S-70 design for the United States Army’s Utility Tactical Transport Aircraft System (UTTAS) competition in 1972. The Army designated the prototype as the YUH-60A and selected the Black Hawk as the winner of the program in 1976, after a fly-off competition with the Boeing Vertol . The
The UH-60 entered service with the U.S. Army's 101st Airborne Division in June 1979.. The U.S. military first used the UH-60 in combat during the invasion of Grenada in1983, and again in the invasion of Panama in 1989. During the Gulf War in 1991, the UH-60 participated in the largest air assault mission in U.S. Army history with over 300 helicopters involved. In 1993, Black Hawks featured prominently in the assault on Mogadishu in Somalia. Black Hawks also saw action in the Balkans in the 1990s. UH-60s continue to serve in Afghanistan and Iraq.
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