Airmen find microscopic cracks
(From left) U.S. Air Force Senior Airman Zachary Applegate and Airman 1st Class Logan Young, 20th Equipment Maintenance Squadron non-destructive inspection technicians, view a technical order at Shaw Air Force Base, S.C., Nov. 3, 2014. Before inspecting any part, NDI Airmen read the TO, ensuring they follow any special instructions regarding the part. (U.S. Air Force photo by Airman 1st Class Jensen Stidham/Released)