The Boeing MH-139 Grey Wolf is a twin-engine helicopter operated by the United States Air Force (USAF) for security and support missions. Built under licence by Boeing, the Grey Wolf is a variant of the Leonardo AW139, an Italian-built multi-role helicopter.
The Boeing MH-139 Grey Wolf is a twin-engine helicopter operated by the United States Air Force (USAF) for security and support missions. Built under licence by Boeing, the Grey Wolf is a variant of the Leonardo AW139, an Italian-built multi-role helicopter.
Source: Wikipedia "Boeing MH-139 Grey Wolf" · CC BY-SA 4.0
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