MARINE CORPS AIR GROUND COMBAT CENTER TWENTYNINE PALMS, Calif. Expeditionary fire and rescue (EFR) Marines with Marine Wing Support Squadron (MWSS) 373 extinguish a blaze during a simulated emergency exercise for Integrated Training Exercise (ITX) 3-17 on Marine Corps Air Ground Combat Center Twentynine Palms, Calif., May 10. ITX is a combined-arms exercise enabling Marines across 3rd Marine Aircraft Wing to operate as an aviation combat element integrated with ground and logistics combat elements as a Marine air-ground task force. Approximately 650 Marines and 27 aircraft with 3rd MAW supported ITX 3-17. (U.S. Marine Corps photo by Lance Cpl. Becky L. Calhoun/Released) - MARINE CORPS AIR GROUND COMBAT CENTER TWENTYNINE PALMS, Calif. Expeditionary fire and rescue (EFR) Marines with Marine Wing Support Squadron (MWSS) 373 extinguish a blaze during a simulated emergency exercise for Integrated Training Exercise (ITX) 3-17 on Marine Corps Air Ground Combat Center Twentynine Palms, Calif., May 10. ITX is a combined-arms exercise enabling Marines across 3rd Marine Aircraft Wing to operate as an aviation combat element integrated with ground and logistics combat elements as a Marine air-ground task force. Approximately 650 Marines and 27 aircraft with 3rd MAW supported ITX 3-17. (U.S. Marine Corps photo by Lance Cpl. Becky L. Calhoun/Released)