The date was chosen to coincide with the official birthday of the U.S. Army K9 Corps, also known as the War Dog Program, which began in 1942 when trained dogs were first officially recognized as ...

The history of K9 service dates back to March 13, 1942, when the U.S. Army began training dogs for the War Dog Program, known as the K-9 Corps. ... also an El Paso Police Patrol K-9 Handler, ...