U.S. Air Force Staff Sgt. Gavriel Depringer-Gottfried, 133rd Maintenance Squadron, dips tow-fitting arms into a fluorescent dye penetrant in St. Paul, Minn., Feb. 26, 2017. Depringer-Gottfried is part of the non-destructive inspection team, which uses noninvasive approaches to inspect aircraft gear for flaws such as cracks, voids and heat damage on aircraft parts utilizing various test equipment. (U.S. Air National Guard photo by Tech. Sgt. Amy M. Lovgren/ Released)
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