An Army combat engineer clears potential mines leading up to a wire obstacle with the aid of a grappling hook during a training exercise on Fort Bragg, N.C., July 21, 2011. An Army combat engineer clears potential mines leading up to a wire obstacle with the aid of a grappling hook during a training exercise on Fort Bragg, N.C., July 21, 2011. SHARE: Download: Full Size (1.86 MB) Tags: photo essays Credit: VIRIN: 833466-J-AOF07-491.jpg Photo Gallery