"Black Jack" was a Riderless Horse who walked in over a thousand military funeral processions between 1952 and 1976, including those of Presidents John F. Kennedy, Herbert Hoover, Lyndon B. Johnson, and General Douglas MacArthur. Black Jack died after 24 years of service at age 29, and is one of two horses in United States history to be buried with Full Military Honors.
A member of the U.S. Air Force Honor Guard stands vigil following Brig. Gen. Robinson "Robbie" Risner's full honors military funeral at Arlington National Cemetery, Arlington, Va., Jan. 23, 2014. Risner was the Air Force's 20th Ace and and survived seven and a half years of captivity as a Prisoner of War (POW) in Hoa Lo Prison, a.k.a the Hanoi Hilton. during the Vietnam War. (U.S. Air Force photo/Jim Varhegyi)