Marines from various units kick-off exercise Arrowhead Thunder on Fort Stewart, G.A., Aug. 10-29, 2016. Arrowhead Thunder is a Marine Air-Ground Task Force level exercise which includes multiple units, such as 2nd Combat Engineer Battalion, 2nd Assault Amphibian Battalion and 10th Marine Regiment. Throughout the month long exercise, the Marines worked to complete various mission essential tasks with a culminating, combined arms event. (U.S. Marine Corps video by Cpl. Justin T. Updegraff and Lance Cpl. Victoria Ross)