US Marine Corps (USMC) Marines cut a wooden board in half to use for breaching aid, while attending the Infantry Officer's Training Course, at the platoon based trench and grenade range 410A, located at the Marine Air Ground Combat Center, Twentynine Palms, California (CA). Pictured left-to-right are: Second Lieutenant (2LT) Jacobs, 2LT Ryan Gardinier, and 2LT Ilorio Pantano