Soldiers finish a timed ruck march wearing their chemical protective masks during their brigade’s Best Squad Competition at Fort Bragg, N.C., March 6, 2018. The soldiers are paratroopers assigned to the 82nd Airborne Division’s 1st Battalion, 319th Field Artillery Regiment, 3rd Brigade Combat Team. The competition tested the soldier’s physical fitness and technical skill through a series of tasks during a 7-mile ruck march. Army photo by Maj. Thomas Cieslak