CARBINE DEMO U.S. Army Sgt. 1st Class Garrett Williams, right, demonstrates to Indian Army paratroopers how to use an M4 carbine before sighting in the weapon at a range during Yudh Abhyas 2013 on Fort Bragg, N.C., May 4, 2013. Williams, a platoon sergeant, is assigned to the 82nd Airborne Division’s 1st Brigade Combat Team. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 841888-T-JZX35-142.jpg Photo Gallery