Posted at Fort Cavazos, Texas, it was activated in 1972 and is a subordinate unit of the 1st Cavalry Division.

In 1943, at the height of World War II, the 1st Cavalry Division disposed of its remaining horses.

The unit participates in change of command and medal ceremonies, the U.S. presidential inauguration, and represents the 1st Cavalry Division and the U.S. Army in parades, riding demonstrations, and civic events.

[7][8] Finally, a weekly mounted drill demonstrating equestrian vaulting and cavalry tactics, such as sabre charges, is held for the public by the detachment every Thursday morning at Fort Cavazos.

It additionally deploys 4 mules, a mascot dog (Doc Holliday), a Model 1878 supply wagon, and a M1841 Light Mountain Howitzer.