Camp Atterbury, Ind. – Marines with Weapons Company, 2nd Battalion, 24th Marine Regiment, 4th Marine Division receive radio communications classes during the time between machine gun firing during their Reserve forces drill period training, March 15, 2014, at a firing range on Camp Atterbury Joint Maneuver Center. The Marines also received classes on weapons systems, infantry tactics and various other military occupational specialty courses. (Marine Corps photo by Cpl. J. Gage Karwick/released)