A U.S. Marine Corps AH-1Z Viper helicopter assigned to Marine Light Attack Squadron 267, Marine Aircraft Group 39, 3rd Marine Aircraft Wing, is used to conduct close air support operations during Integrated Training Exercise (ITX) 3-15 at Marine Corps Air Ground Combat Center Twentynine Palms, Calif., May 1, 2015. 6th Marines and subordinate units participated in ITX 3-15 to ensure all elements of Special-Purpose Marine Air Ground Task Force 6 are prepared for upcoming deployments and operational commitments. (U.S. Marine Corps photo by Staff Sgt. Keonaona C. Paulo 2D MARDIV Combat Camera/Released)