WASH DOWN U.S. Air Force airmen wash fire retardant off of a C-130J Hercules aircraft on Dyess Air Force Base, Texas, May 3, 2011, after a day of firefighting operations. The airmen are assigned to the 146th Aircraft Maintenance Squadron, California Air National Guard. The highly corrosive fire retardant needs to be washed off as soon as possible to prevent aircraft damage. SHARE: Download: Full Size (0.04 MB) Credit: VIRIN: 469913-B-RZZ32-713.jpg Photo Gallery