180423-F-WV639-500 In anticipation of summer blazes, aerial firefighters from four C-130 airlift wings operating the U.S. Forest Service’s Modular Airborne Fire Fighting System commenced a weeklong training exercise at McClellan Reload Base in Sacramento, Calif., April 23, 2018. Air Force photo by 2nd Lt. Emerson Marcus SHARE: Download: Full Size (2.17 MB) Tags: AEG, MAFFSAEG, Air Expeditionary Group, MAFFS, Modular Airborne Fire Fighting System Credit: 2nd Lt. Emerson Marcus VIRIN: 180423-F-WV639-500A.JPG Photo Gallery