U.S. Army soldiers and U.S. Air Force airmen high-five each other after finishing a softball game against one another during the 20th Mission Support Group Warrior Challenge, Shaw Air Force Base, S.C., Sept. 6, 2013. The 20th MSG Warrior Challenge, a day-long event meant to boost morale between airmen and soldiers, included softball, tug of war, a watermelon eating contest and other events to build camaraderie. (U.S. Air Force photo by Airman 1st Class Jensen Stidham/Released)