Air Force Airman 1st Class Michael Griffin, 1st Maintenance Squadron nondestructive inspection technician, utilizes a stationary penetrant line at Langley Air Force Base, Va., Nov. 3, 2014. A penetrant is used to detect discontinuities, , cracks and pits, open to the surface on parts made of nonporous materials. Staff Sgt. Antoinette Gibson

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Size: 1936px × 1291px
Photo credit: © PJF Military Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: airforce, airmen, army, f22, jble, langley, maintenance, military, navy, ndi, raptor, states, united, usa, war