U.S. Army Soldiers from Alpha Company, 2nd Battalion, 1st Infantry Regiment, 2nd Stryker Brigade Combat Team, 2nd Infantry Division pulls security and defends his units location during Decisive Action Rotation 14-08 at the National Training Center in Fort Irwin, Calif., June 17, 2014. The decisive action training environment was developed to create a common training scenario for use throughout the Army. (U.S. Army photo by Spc. Charles Probst/Released)