Non-destructive inspection cracks the case
Patrick Cole, 89th Maintenance Group contractor and lead non-destructive inspection technician, inspects a VC-25A (Air Force One) aircraft main landing gear wheel for cracks using an eddy-current tester Jan. 24 here. Eddy-current testing uses electromagnetic induction to detect flaws in conductive materials. (U.S. Air Force Photo/Senior Airman Perry Aston)