White Sands Missile Range

White Sands Missile Range (WSMR), formerly known as the White Sands Proving Grounds, is a rocket range in New Mexico operated by the United States Army. The range covers an area of almost 3,200 mi² (8 287 km²), approximately three times the size of Rhode Island, making it the largest military installation in the United States. The range is located in Doña Ana County, New Mexico and Otero County, New Mexico. It is mostly within the Tularosa Basin (a valley between the Organ Mountains, San Andres Mountains and the Sacramento Mountains) but it also includes the northern reaches of the Jornada del Muerto. WSMR is located on U.S. 70 between Alamogordo and Las Cruces; the highway is sometimes closed for safety reasons while tests are conducted on the missile range.
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