Spc. Derrick Penninger, 3rd Squadron, 4th Cavalry Regiment, 3rd Brigade Combat Team, 25th Infantry Division and fellow soldiers fire their M240B machine guns during Operation Raider Pillage April 24, 2013 on Schofield Barracks, Hawaii, in preparation for the Bronco Brigades upcoming exercise, Bronco Rumble. The IED lanes are used with virtual systems simultaneously to complete full motion exercises. (U.S. Army. photo by 1st Lt. Garrett Nash)