Staff Sgt. Lucas White, an engineer equipment electrical systems technician with Maintenance Company, Combat Logistics Battalion 451, Combat Logistics Regiment 45, 4th Marine Logistics Group, teaches Lance Cpl. Eli Sommers, a refrigeration and air conditioning technician with Utilities, CLR-45, 4th MLG, and Private First Class Sergio Gonzalez, a motor vehicle operator with CLB-451, CLR-45, 4th MLG, how to set up a floodlight during Integrated Training Exercise 4-18 at Marine Corps Air Ground Combat Center Twentynine Palms, California, June 12, 2018. Marines with the Exercise Support Element of ITX 4-18 provided food service, arrival and departure processing, bulk fuel, camp engineering and camp sustainment services to over 5,500 Marines throughout the course of the exercise. (U.S. Marine Corps photo by Lance Cpl. Samantha Schwoch/released)