180222-M-EC058-022 PENDLETON, Calif. (Feb. 22, 2018)U.S. Navy Hospital Corpsman 3rd Class Patrick O’Shaughnessy, an Assistant Radio Transmission Operator with Class 2-18 of the Basic Reconnaissance Course, left, radio checks an AN/PRC-148 Multiband Inter/Intra Team Radio aboard Camp Pendleton, Calif. The Basic Reconnaissance Course provides students with the basic knowledge of reconnaissance doctrine, concepts, and techniques through lecture, demonstration, and practical application. (U.S. Marine Corps photo by Lance Cpl. Dalton Swanbeck/Released)