First Lt. Paul T. Merten, a platoon leader assigned

First Lt. Paul T. Merten, a platoon leader assigned to Eagle Troop, 2nd Squadron, 2nd Cavalry Regiment, checks on his troopers as they gather their belongings before they disembark their flight, after landing at Burgas Airport located in Burgas, Bulgaria, March 29, 2015. Once the unit reaches Novo Selo Training Area, Bulgaria, they will start training with their NATO allies in support of Operation Atlantic Resolve-South. (U.S. Army photo by Sgt. William A. Tanner/Released)