French forces, assigned to French amphibious assault ship LHD Tonnerre (L9014), prepare to transport notional downed U.S. pilots during a bilateral tactical recovery of aircraft and personnel exercise. (Staff Sgt. Vitaliy Rusavskiy/Marine Corps)
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. (Capt. Holli Nelson/Air National Guard)
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 Amanda S. Kitchner
Sailors assigned to the amphibious assault ship USS Wasp (LHD 1) reunite with their families after mooring in Sasebo, Japan. U.S. Navy photo by Levingston Lewis
U.S. Marine Corps Lance Cpl. Kwan Walker, a networking administrator assigned to Marine Wing Communication Squadron 28, braces in the cold during a conditioning hike during exercise Ullr Shield at Fort McCoy, Wisconsin, Jan. 13, 2018. U.S. Marine Corps photo by Lance Cpl. Cody Rowe
Marine Corps Body Bearers, Bravo Company, Marine Barracks Washington D.C., march behind members of the Caisson Platoon during a full honors funeral for Maj. Gen. Paul A. Fratarangelo at Arlington National Cemetery, Arlington, Va., Jan. 16, 2018. Official U.S. Marine Corps photo by Cpl. Robert Knapp
Snow falls as a 141st Air Refueling Squadron KC135R is prepped on the flightline at Joint Base McGuire-Dix-Lakehurst, N.J., Jan. 17, 2018. (Staff Sgt. Ross A. Whitley/Air National Guard)
A Coast Guard Air Station Miami crew member salutes a memorial after laying a wreath during a remembrance ceremony in Miami, Florida, on Jan. 17, 2018. The annual ceremony honors those air crew members who've lost their lives in the line of duty in the Miami area. (Coast Guard photo by Eric D. Woodall)