Dozer Duty A Marine operates a bulldozer to clear dirt and debris from a breaching lane created by a mine clearing line charge during breaching training that's part of Exercise Iron Fist conducted on Marine Corps Base Camp Pendleton, Calif., Feb. 4, 2016. Marine Corps photo by Cpl. Garrett White SHARE: Download: Full Size (1.9 MB) Tags: Exercise Iron Fist, U.S. Marines, 11TH MARINE EXPEDITIONARY UNIT, Japanese Soldiers, Camp Pendleton Credit: Cpl. Garrett White VIRIN: 160204-M-DQ243-102.JPG Photo Gallery