Aircraft Repair J.R. Chapman and David O’Neal, 572nd Commodities Group propeller mechanics, prepare a surface patch to be placed on a C-130J aircraft propeller at Robins Air Force Base, Ga., Feb. 2, 2022. Repair personnel such as Chapman and O'Neil are considered among the Defense Department's most valuable resources. SHARE IMAGE: Download Image: Full Size (0.81 MB) Photo By: Joseph Mather, Air Force VIRIN: 220202-F-ED303-0023C.JPG Photo Gallery