Breach Battalion Marines participate in training to breach doors at Marine Corps Air Ground Combat Center Twentynine Palms, Calif., Feb. 9, 2018, as part of Integrated Training Exercise 2-18. The exercise creates a realistic environment to produce combat-ready troops capable of operating as an integrated force. The Marines are assigned to 3rd Battalion, 7th Marine Regiment. Marine Corps photo by Lance Cpl. Margaret Gale SHARE: Download: Full Size (0.79 MB) Credit: Lance Cpl. Margaret Gale VIRIN: 180209-M-M6160-091C.JPG Photo Gallery