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USA-215
USA-215, also known as NRO Launch 41 or NROL-41, is an American reconnaissance satellite, operated by the National Reconnaissance Office. Launched in 2010, it has been identified as the first in a new series of radar imaging satellites, developed as part of the Future Imagery Architecture programme, to replace the earlier Lacrosse spacecraft.
USA-215 was launched by an Atlas V carrier rocket, flying in the 501 configuration, operated by United Launch Alliance. The rocket was launched from Space Launch Complex 3E at the Vandenberg Air Force Base, at 04:03:30 UTC (09:03 PDT) on 21 September 2010. It was identified as NRO Launch 41, and was the twenty-third flight of an Atlas V; the vehicle had the tail number AV-025, and was named ''Gladys''.
The satellite's orbit and mission are officially classified; however, it has been located by amateur observers in a retrograde low Earth orbit. As of it was in an orbit with a perigee of , an apogee of and degrees of inclination.
==References==
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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