U.S. Marine Corps Lance Cpl. Carlos M. Merino, an unmanned

U.S. Marine Corps Lance Cpl. Carlos M. Merino, an unmanned aerial vehicle maintainer assigned to Marine Unmanned Aerial Vehicle Squadron 2, performs a maintenance check on an RQ-21A Blackjack prior to a training flight at Marine Corps Outlying Field Atlantic Field on July 1, 2015. The training flight was conducted to ensure the safety and stability of the small unmanned aircraft system. (U.S. Marine Corps photo by Lance Cpl. Koby I. Saunders/Released)