Spc. Eric Winter, center, Pvt. Devin Williams, left, and Spec. Gabriel Dominguez uncoil concertina wire at the National Training Center at Fort Irwin, Calif., Feb. 22, 2013. The Soldiers are training at NTC with the 299th Brigade Support Battalion, 2nd Armored Brigade Combat Team, 1st Infantry Division, which is preparing for its alignment with AFRICOM.