Marines clear a building during urban operations training in the U.S. 5th Fleet area of operations, Jan. 12, 2018. The Marines are assigned to the 1st Battalion, 5th Marine Regiment. Marine Corps photo by Staff Sgt. Vitaliy Rusavskiy
Navy Petty Officer 2nd Class Migel Contreraz loads M9 service pistol clips during a small arms weapons qualification shoot aboard the USS Carl Vinson in the Pacific Ocean, Jan. 12, 2018. Navy photo by Petty Officer 3rd Class Matthew Granito
Army paratroopers jump from an Air Force C-17 Globemaster III aircraft during airborne training over Malemute drop zone at Joint Base Elmendorf-Richardson, Alaska, Jan. 9, 2018. Air Force photo by Alejandro Peña
Marine Corps officer candidates do pullups during a physical fitness test at the Officer Candidate School at Marine Corps Base Quantico, Va., Jan. 9, 2018. Marine Corps photo by Cpl. Cristian L. Ricardo
Soldiers perform preventive maintenance checks and service on an M121 mortar system at the Hobet reclaimed mine site in southern West Virginia, Jan. 12, 2018, during a three-day drill period. Air National Guard photo by Capt. Holli Nelson
Sailors assigned to the guided-missile destroyer USS Carney compete in a soccer match with Egyptian sailors in Alexandria, Egypt, Jan. 16, 2018. Navy photo by Petty Officer 2nd Class James R. Turner
Navy Petty Officer 2nd Class Charmaine Cruz dances with a citizen at a senior center during a community service project in Guam, Jan. 9, 2018. Cruz is assigned to the USS America. Navy photo by Petty Officer 2nd Class Ramon Go