PERIMETER PLAN As seen through a night-vision device, U.S. Army Capt. Mark Bush, left, briefs a platoon leader on how he wants a security perimeter set up after his company helps seize an airfield during a training exercise on Fort Bragg, N.C., Feb. 14, 2011. Bush is the company commander assigned 82nd Airborne Division’s Company A, 2nd Battalion, 504th Parachute Infantry Regiment, 1st Brigade Combat Team. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 286911-R-LNO03-493.jpg Photo Gallery