A vehicle convoy, operated by Marines with 2nd Transportation Support Battalion, prepares to exit the simulated Forward Operating Base Greater Sandy Runs Area to conduct counter-improvised explosive device training during a tactical operations package with Battle Skills Training School, 2nd Marine Logistics Group, at Camp Lejeune, N.C., Feb. 3, 2016. The course is conducted to refresh Marines from non-infantry military occupational specialties on infantry-related skills and tactics in a five-week span. (U.S. Marine Corps photo illustration by Cpl. Joey Mendez/Released) - A vehicle convoy, operated by Marines with 2nd Transportation Support Battalion, prepares to exit the simulated Forward Operating Base Greater Sandy Runs Area to conduct counter-improvised explosive device training during a tactical operations package with Battle Skills Training School, 2nd Marine Logistics Group, at Camp Lejeune, N.C., Feb. 3, 2016. The course is conducted to refresh Marines from non-infantry military occupational specialties on infantry-related skills and tactics in a five-week span. (U.S. Marine Corps photo illustration by Cpl. Joey Mendez/Released)

Lance Corporal John Roan, center, a squad leader with E Company, 2nd Battalion, 2nd Marine Regiment gets carried away from the simulated improvised explosive device blast by another Marine and Navy Corpsman while conducting counter-IED training during Integrated Training Exercise 1-16 at Marine Air Ground Combat Center, Twentynine Palms, Calif., Oct. 29, 2015. Marines at ITX demonstrate core infantry mission essential tasks while conducting offensive and defensive operations. - Lance Corporal John Roan, center, a squad leader with E Company, 2nd Battalion, 2nd Marine Regiment gets carried away from the simulated improvised explosive device blast by another Marine and Navy Corpsman while conducting counter-IED training during Integrated Training Exercise 1-16 at Marine Air Ground Combat Center, Twentynine Palms, Calif., Oct. 29, 2015. Marines at ITX demonstrate core infantry mission essential tasks while conducting offensive and defensive operations.