Ground Grappling U.S. Marines grapple during squad-on-squad ground fighting at Robertson Barracks, Northern Territory, Australia, May 25, 2016. The competition determined which rifle squad or weapons platoon section had the best physical fitness, small-unit leadership and cohesion. Marine Corps photo by Cpl. Mandaline Hatch SHARE: Download: Full Size (1.35 MB) Credit: Cpl. Mandaline Hatch VIRIN: 160525-D-HV319-005C.JPG Photo Gallery