U.S. Marines with Marine Medium Helicopter Squadron (HMM) 364, Marine Aircraft Group 39, 3rd Marine Aircraft Wing (MAW) from Marine Corps Base Camp Pendleton, assist in the efforts of containing the Cocos Fire in San Marcos, Calif., May 15, 2014. 3rd MAW partnered with the Calif. Department of Forestry and Fire Protection to conduct aerial firefighting against several wildfires ablaze in San Diego County. (U.S. Marine Corps photograph by Corporal Tyler C. Gregory, 3rd MAW COMCAM/RELEASED)