TWENTYNINE PALMS, Calif. – Machine gunners with Company B, 1st Battalion, 24th Marine Regiment, fire toward “enemy” positions during a training exercise at Marine Corps Air-Ground Combat Center here, June 18. Range 410A allows Marines the opportunity to work on small-unit leadership by completing a series of obstacles that involve a platoon-sized element. Range 410A is part of Integrated Training Exercise 4-13, a cornerstone of the Marine Air-Ground Task Force Training Program. ITX is the largest annual U.S. Marine Corps Reserve training exercise, utilizing assets from ground, air and logistic combat elements to create a live, virtual and constructive battalion exercise.(U.S. Marine Corps photo by Cpl. John M. McCall) - TWENTYNINE PALMS, Calif. – Machine gunners with Company B, 1st Battalion, 24th Marine Regiment, fire toward “enemy” positions during a training exercise at Marine Corps Air-Ground Combat Center here, June 18. Range 410A allows Marines the opportunity to work on small-unit leadership by completing a series of obstacles that involve a platoon-sized element. Range 410A is part of Integrated Training Exercise 4-13, a cornerstone of the Marine Air-Ground Task Force Training Program. ITX is the largest annual U.S. Marine Corps Reserve training exercise, utilizing assets from ground, air and logistic combat elements to create a live, virtual and constructive battalion exercise.(U.S. Marine Corps photo by Cpl. John M. McCall)