The first clear pictures of the center-line reconnaissance bay on Lockheed Martin’s RQ-170 Sentinel show that the small unmanned aircraft was carrying sensor balls mounted in an internal compartment ...

Unmanned Aerial Systems played a vital role in the American military mission that led to the assassination of Osama bin Ladin in Pakistan. A Lockheed Martin RQ-170 Sentinel stealth unmanned aerial ...

At least one of the US Air Force's most secretive drones, the RQ-170 Sentinel, may have supported the US operation on January 3 that saw the capture of Venezuelan President Nicolas Maduro and his wife ...