U.S. Air Force Staff Sergeants Brittney Turco (left), and Sarah Bank, 802nd Security Forces military training dog handlers, along with “Tarzan”, military working dog , participates during a K-9 demonstration prior to the Military Working Dog Stamp ceremony Aug. 15, 2019, at Joint Base San Antonio-Medina Annex, Texas. The stamp honors dogs who have served in the U.S. armed forces since the U.S. Army created the War Dog Program K-9 Corps and began training man’s best friend in March 1942. (U.S. Air Force photo by Sarayuth Pinthong)