Marines with Company A, 1st Tank Battalion, 1st Marine Division, conduct a convoy to a staging area in preparation for the Tank Mechanized Assault Course during Integrated Training Exercise 1-15 aboard Marine Corps Air Ground Combat Center Twentynine Palms, Calif., Nov. 2, 2014. Company A Marines worked with infantry, mortars and air support during their assault. - Marines with Company A, 1st Tank Battalion, 1st Marine Division, conduct a convoy to a staging area in preparation for the Tank Mechanized Assault Course during Integrated Training Exercise 1-15 aboard Marine Corps Air Ground Combat Center Twentynine Palms, Calif., Nov. 2, 2014. Company A Marines worked with infantry, mortars and air support during their assault.