A paratrooper participates in the Best Squad Competition as part of All American Week at Fort Bragg, N.C., May 23, 2017. The week celebrates the 82nd Airborne Division and its soldiers and veterans. Army photo by Sgt. Jesse Leger
Sailors conduct their biannual physical readiness test on stationary bikes in the hangar bay of the aircraft carrier USS Theodore Roosevelt as the ship is moored pier-side in San Diego, May 22, 2017. Navy photo by Seaman Bill M. Sanders
Airmen assigned to the 60th Air Mobility Wing participate in a Wingman Day event at Travis Air Force Base, Calif., May 19, 2017. Wingman Day focuses on mental, physical, social and spiritual fitness among airmen. Air Force photo by Louis Briscese
Soldiers conduct an air medical evacuation exercise during training in Grafenwoehr, Germany, May 22, 2017. The training tested the ability of soldiers to deploy worldwide on short notice. Army photo by Staff Sgt. Kathleen V. Polanco
Marine Corps recruits warm up before maneuvering an obstacle course at Marine Corps Recruit Depot Parris Island, S.C., May, 20, 2017. The course tested their strength, agility and endurance. Marine Corps photo by Lance Cpl. Colby Cooper
Marine Corps recruit Robbin Anderson low-crawls while going through the combat endurance course at Parris Island, S.C., May 20, 2017. The course includes a 2.5-mile run with obstacles. Marine Corps photo by Cpl. Richard Currier
An Air Force tactical air control party specialist proceeds to a rally point after conducting airborne jump training at the Malemute drop zone at Joint Base Elmendorf-Richardson, Alaska, May 18, 2017. Air Force photo by Alejandro Pena