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
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
Navy recruits recite their names and division numbers while experiencing the effects of tear gas at Recruit Training Command in Great Lakes, Ill., Jan. 10, 2018. Navy photo by Petty Officer 1st Class Amanda S. Kitchner
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
Air Force Tech. Sgt. Chris Brandal performs preflight inspections on a C-130H Hercules aircraft during bitter cold temperatures at the 179th Airlift Wing in Mansfield, Ohio, Jan. 16, 2018. Air National Guard photo by Tech. Sgt. Joe Harwood
Marine Corps Lance Cpl. Devin Cook sits on an F/A-18C Hornet aircraft during a preflight inspection briefing on the flight deck of the USS Theodore Roosevelt in the Persian Gulf, Jan. 14, 2018. Navy photo by Seaman Michael Hogan
Sailors reunite with loved ones after the USS Wasp moors in Sasebo, Japan, Jan. 14, 2018, to assume responsibility as the Navy's forward-deployed amphibious assault ship in the region. Navy photo by Petty Officer 3rd Class Levingston Lewis