Sergeant Jose Flores, a sensor team chief with Headquarters Battery, 11th Marine Regiment, 1st Marine Division, calibrates an M2A2 Aiming Circle during the Battery Supervisors Course held at Marine Corps Base Camp Pendleton, Calif., Sept. 28, 2016. Marines learn to use tools such as the M2A2 Aiming Circle in the event that the digital tools are unusable. The course shows Marines how to properly set up a battery unit and control the unit from leadership positions. ( Marine Corps Photo by Cpl. Justin Huffty)

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Size: 5760px × 3840px
Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 1st, advanced, aiming, artillery, assistant, battery, camp, circle, circles, dagr, defense, digital, division, global, m2a2, marines, pendleton, personal, positioning, receiver, rpda, ruggedized, school, states, supervisors, system, training, united, usmc