Soldiers, assigned to 2nd Brigade Combat Team, 3rd Infantry Division, participate in a live-fire exercise during their annual training at Fort Stewart, Ga., Jan. 25, 2017. (Spc. Wyatt Davis/Army) 
A member of the Air Force’s Wings of Blue Parachute Demonstration Team exits an aircraft during the Aviation Nation 2017 Nellis Air and Space Expo at Nellis Air Force Base, Nev., Nov. 10, 2017. (Senior Airman Kevin Tanenbaum/Air Force) 
Sailors perform a burial-at-sea Nov. 12, 2017, aboard the aircraft carrier USS John C. Stennis. John C. Stennis is underway conducting routine training as it continues preparing for its next scheduled deployment. (MC3 William Ford/Navy) 
Marines prepare to enter a building in Hattiesburg, Miss., Nov. 6, 2017, during Exercise Raven 18-02. The Marines are assigned to Marine Air Control Group 28 and the 2nd Marine Information Group. (Cpl. Bryann K. Whitley/Marine Corps) 
Flames rise from a firefighting training aircraft at Moody Air Force Base, Ga., Nov. 8, 2017. This training prepares responders for the possibility of nighttime aircraft fire operations. (Senior Airman Janiqua P. Robinson/Air Force) 
Defense Secretary Jim Mattis meets with Georgian Defense Minister Levan Izoria at the Pentagon, Nov. 13, 2017. (Tech. Sgt. Brigitte N. Brantley/Air Force) 
Three F/A-18E Super Hornets, assigned to the Eagles of Strike Fighter Attack Squadron (VFA) 115, fly in formation over the aircraft carriers USS Ronald Reagan, USS Theodore Roosevelt, USS Nimitz and their strike groups along with ships from the Republic of Korea Navy on Nov. 12, 2017, as they transit the western Pacific. The strike groups are underway and conducting operations in international waters as part of a three-carrier strike force exercise. (Lt. Aaron B. Hicks/Navy)
