U.S. Air Force Maj Nathaniel Lesher, the 97th Security Forces Squadron Commander, left, and U.S. Air Force Senior Airman Nathaniel Humphreys, a Military Working Dog Handler, hands Yyoda/P195, an explosive detection MWD, his official military retirement paperwork on September 11, 2019, at Altus Air Force Base, Okla. Yyoda began his training as a MWD in San Antonio, Texas, in 2010. After graduating from bomb school on June 18, 2010, Yyoda was assigned his first duty at Altus AFB. (U.S. Air Force photo by Airman 1st Class Dallin Wrye)