The CV-22 Osprey is a tiltrotor aircraft that combines the vertical takeoff, hover and vertical landing qualities of a helicopter with the long-range, fuel efficiency and speed characteristics of a turboprop aircraft. Its mission is to conduct long-range infiltration, exfiltration and resupply missions for special operations forces.<br />
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Fact Sheet: http://www.af.mil/About-Us/Fact-Sheets/Display/Article/104531/cv-22-osprey/