U.S. Air Force Staff Sgt. Frances Gunderson, 633rd Security Forces Squadron military working dog handler, and her dog Oopey, 633rd SFS MWD, rest during a ruck march in honor of National K9 Veterans Day at Joint Base Langley-Eustis, Virginia, March 13, 2020. At 10-years-old, Oopey is using the special occasion to start celebrating her retirement early. (U.S. Air Force photo by Staff Sgt. Kaylee Dubois)