Concertina Obstacle Soldiers build a road obstacle for defensive operations during a field training exercise at Fort Bragg, N.C., Aug. 24, 2016. The soldiers are combat engineers assigned to the 82nd Airborne Division’s 37th Brigade Engineer Battalion, 2nd Brigade Combat Team. Army photo by Staff Sgt. Jason Hull SHARE: Download: Full Size (1.98 MB) Tags: soldiers, army, training Credit: Staff Sgt. Jason Hull VIRIN: 160824-A-DP764-004A.JPG Photo Gallery