The 3rd Squadron, 12th Cavalry Regiment (3/12th Cavalry) traces its lineage to the 12th Cavalry Regiment, first constituted in 1901 and serving in various conflicts throughout the 20th century. Reactivated and redesignated over the years, 3/12th Cavalry notably served in the Vietnam War as part of the 5th Infantry Division (Mechanized), conducting reconnaissance and security operations. The unit earned multiple campaign streamers and commendations for its actions during the conflict. In subsequent decades, 3/12th Cavalry continued to serve with distinction in training and operational roles, upholding the proud traditions of the regiment.
