Dozer Digging U.S. Army Cpl. Jonathan Norris operates a T9 Dozer to dig a hull-down position for an M1A2 Abrams Tank during Exercise Peace Sentinel at Novo Selo Training Center, Bulgaria, Nov. 23, 2015. Norris is a heavy equipment operator assigned to the 3rd Infantry Division’s 5th Squadron, 7th Cavalry Regiment. U.S. Army photo by Staff Sgt. Steven M. Colvin SHARE: Download: Full Size (1.67 MB) Tags: Peace Sentinel, operation atlantic resolve, Photo Essays, Bulgaria , T9 Dozer, heavy equipment operator, novo selo, U.S. Army, All images, NATO Credit: Army Staff Sgt. Steven Colvin VIRIN: 151123-A-HO673-760.JPG Photo Gallery