U.S. Air Force Senior Airman Brandon Bartling, 7th Equipment Maintenance Squadron aircraft structural maintenance journeyman, applies body filler to a C-130E Hercules June 11, 2015, at Dyess Air Force Base, Texas. More than 120 volunteers helped refurbish the Dyess Linear Air Park by repainting, bird-proofing, sanding, washing and repairing its 36 aircraft. (U.S. Air Force photo by Airman 1st Class Kedesha Pennant/Released)