He was the riderless horse in more than 1,000 Armed Forces Full Honors Funerals (AFFHF), the majority of which were in Arlington National Cemetery.
With boots reversed in the stirrups, he was a symbol of a fallen leader, and was recognized for his "service to the nation" by U.S. President Richard Nixon on January 19, 1976.
[1] Black Jack was the last of the Quartermaster–issue horses branded with the Army's U.S. brand (on the left shoulder) and his Army serial number 2V56 (on the left side of his neck),[3] as the horse breeding program at Fort Reno was transferred from the U.S. Department of Defense to the U.S. Department of Agriculture (USDA) in May 1947 with bill H.R.
[4] In 1949, Oklahoma State University took over the program,[5] and continues to breed American Quarter Horses and American Paint Horses[6] at the Charles and Linda Cline Equine Teaching Center as part of the Ferguson College of Agriculture.
He was cremated, with his remains laid to rest with full military honors in a plot at Fort Myer, Virginia, on Summerall Field; his final resting place lies 200 feet (60 m) northeast of the flagpole in the southeast corner of the parade field.