Desert Drone Marine Corps Cpl. Gilbert Barrett operates an unmanned aerial system during a training exercise at Marine Corps Air Ground Combat Center Twentynine Palms, Calif., Oct. 23, 2019. SHARE: Download: Full Size (1.24 MB) Tags: marine corps Credit: Marine Corps Cpl. Timothy J. Lutz VIRIN: 191023-M-LF768-1097Y.JPG Photo Gallery