Air Force Reservist Senior Airman Barry Logan, 302nd Maintenance Squadron, and Tony Waiswilos, U.S. Forest Service, give the signal to stop pumping retardant into a Modular Airborne Firefighting System-equipped C-130 during a reloading and refueling stop at Peterson Air Force Base, Colo., June 28. A MAFFS equipped aircraft can hold 3,000 gallons of water or retardant and discharge it five seconds.