U.S. Air Force Airman 1st Class Ryan Cherry, 133rd Maintenance Squadron, washes a main landing gear drag pin in the magnetic particle unit in St. Paul, Minn., Feb. 26, 2017. Cherry 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)