U.S. Army soldiers assigned to Battery B, 1-82 Field Artillery Regiment, 1st Brigade Combat Team, stationed at Fort Hood, Texas, conduct crew drills during a "Dragon" gunnery live-fire exercise at Fort Irwin National Training Center, Calif., as part of Decisive Action Training Rotation 14-04, Feb. 20, 2014. DA rotations allow units to exercise their mission-essential task list that supports the Army's core competencies: wide area security and combined arms maneuver. (U.S. Army photo by Sgt. 1st Class Alan B. Owens/Released)