Firefighters from the Camp Pendleton Fire Department pack the firetruck up after participating in Wildland Fire Fighting Exercise 2016, near Pulgas Lake on Camp Pendleton, Calif., May 5, 2016. Wildland Firefighting Exercise 2016 is part of an annual training exercise to simulate the firefighting efforts by aviation and ground assets from the Navy, Marine Corps, San Diego County and CAL Fire. This event is aimed at bringing awareness to this joint capability while also exercising the pilots and operators who conduct firefighting missions.(U.S. Marine Corps photo by Cpl. Brian Bekkala/MCIWEST-MCB CamPen Combat Camera/Released) - Firefighters from the Camp Pendleton Fire Department pack the firetruck up after participating in Wildland Fire Fighting Exercise 2016, near Pulgas Lake on Camp Pendleton, Calif., May 5, 2016. Wildland Firefighting Exercise 2016 is part of an annual training exercise to simulate the firefighting efforts by aviation and ground assets from the Navy, Marine Corps, San Diego County and CAL Fire. This event is aimed at bringing awareness to this joint capability while also exercising the pilots and operators who conduct firefighting missions.(U.S. Marine Corps photo by Cpl. Brian Bekkala/MCIWEST-MCB CamPen Combat Camera/Released)