Surveillance
U.S. Air Force Senior Airman Jordan Gourdine, left, 820th Combat Operations Squadron technologies assistant, briefs the capabilities of the RQ-11B Raven to U.S. Air Force Gen. Hawk Carlisle, commander Air Combat Command, July 16, 2015, at Moody Air Force Base, Ga. The RQ-11B is an unmanned aircraft system used by the 820th Base Defense Group to gather real-time situational awareness and target information. (U.S. Air Force photo by Senior Airman Ryan Callaghan/Released)