Airman 1st Class Dom Gastelum, hydraulics systems technician, 52nd Airlift Squadron, loads Phos-Chek fire retardant into a MAFFS-equipped C-130 Hercules. The MAFFS unit can hold up to 3,000 gallons of retardant for aerial fire-fighting efforts. (U.S. Air Force photo/Airman 1st Class Nichole Grady)