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
New York Army National Guard Sgt. Lenin Narvaes walks down to the welding floor during an allied trade specialist class at Joint Base McGuire-Dix-Lakehurst, N.J., Jan. 17, 2018. Air National Guard photo by Master Sgt. Matt Hecht
An Air Force team sprays de-icing liquid on the wing of a C-5M Super Galaxy aircraft on the flightline at Barksdale Air Force Base, La., Jan. 12, 2018. Air Force photo by Airman 1st Class Tessa B. Corrick
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
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
New Jersey Army National Guardsmen prepare M119A3 howitzers for a 19-gun salute as part of the inauguration ceremony for New Jersey Gov. Phil Murphy in Trenton, N.J., Jan. 16, 2018. New Jersey National Guard photo by Mark C. Olsen
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