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Yuma Proving Ground is a United States Army facility and one of the largest military installations in the world. Situated in southwestern La Paz County and western Yuma County in southwestern Arizona, U.S., approximately north-east of the city of Yuma, the proving ground is used for testing military equipment and encompasses 1,307.8 square miles (3,387.2 km²) in the northwestern Sonoran Desert. ==Overview== The proving ground conducts tests on nearly every weapon system in the ground combat arsenal. Munitions and artillery systems are tested here in an area almost completely removed from urban encroachment and noise concerns. Restricted airspace controlled by the test center amounts to over . Over 3000 people, mostly civilian, work at the proving ground. It is a major economic player in Yuma County, with an economic impact of over $430 million annually. Yuma Proving Ground is the largest single employer of civilians in the county. In a typical year, over 500,000 artillery, mortar and missile rounds are fired, 36,000 parachute drops take place, are driven on military vehicles, and over 4000 air sorties are flown from the proving ground’s Laguna Army Airfield. Though about 90 percent of the proving ground's workload is devoted to the test and evaluation of weapon systems and munitions, training activities are important. Dozens of units visit the proving ground each year for realistic desert training, especially before deploying overseas. Yuma Proving Ground features the longest overland artillery range () in the nation, the most highly instrumented helicopter armament test range in the Department of Defense, over of improved road courses for testing tracked and wheeled military vehicles, over of fiber-optic cable linking test locations, and the most modern mine and demolitions test facility in the western hemisphere. Realistic villages and road networks representing urban areas in Southwest Asia have been constructed and are used for testing counter-measures to the threat of roadside bombs. The General Motors Desert Proving Ground - Yuma was officially opened at the proving ground in late July 2009. Costing over $100 million, General Motors built the facility after closing its desert automotive test facility in Mesa, Arizona, that had been in operation since 1953. The new facility is a partnership between General Motors and the Army that allows Army automotive testers at the proving ground to test Army wheeled vehicles at the General Motors facility on a year-round basis. It is estimated that the track can be used to test about 80 percent of the Army's wheeled vehicle fleet. Yuma Proving Ground's clean air, low humidity, skimpy rainfall—only about per year—and annual average of 350 sunny days, add up to almost perfect testing and training conditions. Urban encroachment and noise concerns are nonexistent problems, unlike at many other military installations. An excellent two-way relationship has developed between the proving ground and local community elected officials and community leaders. Of the four extreme natural environments recognized as critical in the testing of military equipment, three fall under the management authority of Yuma Proving Ground. Realistic natural environment testing ensures that American military equipment performs as advertised, wherever deployed around the world. The proving ground manages military equipment and munitions testing at three locations: The Cold Regions Test Center at Fort Greely, Alaska; the Tropic Regions Test Center operating in Panama, Honduras, Suriname, and Hawaii; and at the Yuma Test Center located at Yuma Proving Ground. The common link between these test centers is "environmental testing," which makes the proving ground the Army's environmental test expert. Yuma Proving Ground is fast becoming the Department of Defense’s premier test and evaluation site for improvised explosive devices, commonly known as IEDs, the number-one killer of American service men and women in Iraq and Afghanistan. Hundreds of Unmanned Aerial Vehicles fly at the proving ground each year from the six airfields located at the proving ground, as do helicopters and fixed-wing aircraft conducting personnel and cargo parachute drops. Nearly all the long-range artillery testing for U.S. ground forces takes place at Yuma Proving Ground. Many friendly foreign nations also visit the proving ground to conduct test programs, including Germany, Japan, Canada, Singapore, Saudi Arabia, Sweden, the United Kingdom, and France. U.S. Army Yuma Proving Ground is a subordinate command of the Army Test and Evaluation Command. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Yuma Proving Ground」の詳細全文を読む スポンサード リンク
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