An Indian Army paratrooper with the 50th Independent Para Brigade examines an M4 carbine prior to sighting in the weapon May 4, 2013, at Fort Bragg, N.C. He and fellow paratroopers are familiarizing themselves with the American weapons in preparation for field training exercises with U.S. Army paratroopers with the 82nd Airborne Division's 1st Brigade Combat Team during the annual Yudh Abyhas U.S. - India training exercise.