Sgt. 1st Class Edward Barnett (right), a tank commander,

Sgt. 1st Class Edward Barnett (right), a tank commander, originally from Stevinson, Calif., and Spc. James Brown, an M1A2 System Enhancement Package Version 2 Abrams tank gunner, originally from Waverly, Tenn., both of 1st Armored Brigade Combat Team, attached to 5th Squadron, 7th Cavalry Regiment, 3rd Infantry Division, stationed at Fort Stewart, Ga., take a look at their battle position from the side of the mountain during Exercise Peace Sentinel at Novo Selo Training Center, Bulgaria, Nov. 23, 2015. (Photo by Staff Sgt. Steven M. Colvin/Released)