NDI- seeing through the jet
Senior Airman Joel Flowers, 509th Maintenance Squadron non-destructive inspection journeyman, uses a black light to inspect an aircraft part at Whiteman Air Force Base, Mo., May 1, 2013. The black light causes particles normally unseen by the human eye to become florescent. (U.S. Air Force photo by Airman 1st Class Bryan Crane)

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Photo by: Airman st Class Bryan Crane |  VIRIN: 130501-F-IW726-032.JPG