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  1. Lockheed Martin RQ-170 Sentinel - Wikipedia

    • The Lockheed Martin RQ-170 Sentinel, nicknamed Wraith, is an American unmanned aerial vehicle (UAV) developed by Lockheed Martin and operated by the United States Air Force (USAF) for the Central Intelligence Agency (CIA). While the USAF has released few details on the UAV's design or capabilities, defense analysts believe that it is a stealth aircraft fitte… 展开

    Development

    The RQ-170 Sentinel was developed by Lockheed Martin's Skunk Works as a stealth unmanned aerial vehicle (UAV). Journalists have noted design similarities between the RQ-170 and previous stealth and UAV programs such a… 展开

    Design

    The RQ-170 is a flying wing design containing a single (as yet classified) engine, and was estimated in 2009 by Aviation Week as having a wingspan of approximately 66 feet (20 m). Its takeoff weight is estimat… 展开

     
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