Kingsley Airman pioneers critical Wing Spar Inspection
Tech. Sgt. Jeff Childs, 173rd Fighter Wing sheet metals shop, requires a small mirror to help ensure his cutting tool does not cut the wing spar while taking fine cuts measuring only a thousandths of-an-inch on the skin of an F-15 aircraft wing. While removing the quarter inch of titanium skin covering the wing, the delicate part is ensuring he does not damage the underlying spar. (U.S. Air National Guard photo by Tech. Sgt. Jefferson Thompson/released)

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Tags: aircraft
Photo by: Tech. Sgt. Jefferson ThompsonReleased |  VIRIN: 150224-Z-NJ935-088.JPG