In the mountainous region of the state of California crashed an unmanned aerial vehicle RQ-4 Global Hawk of the U.S. army, according to the Associated Press, citing the U.S. military.
According to these sources, the UAV crashed near mount Whitney, the highest point of the ridge of the Sierra Nevada, reports CBS Sacramento. The crash happened when the drone returned to base, U.S. air force, located near the city of Marysville.
To investigate the causes of the crash created a special Commission.
RQ-4 Global Hawk – us strategic reconnaissance UAV. The unit can patrol for 30 hours at altitudes of up to 18 thousand meters. Developed by the American company Teledyne Ryan Aeronautical, a subsidiary of Northrop Grumman. Made its first flight on 28 February 1998 with the air base of the U.S. air force in California. The first model Global Hawk was transferred to the U.S. Navy in 2004 and started to perform combat missions in March 2006.
The cost of one UAV RQ-4 Global Hawk is up to $ 140 million, an hour flight is 31 thousand dollars.