United States Army Center for Military History with Images from the US Army Institute of Heraldry

“ Distinctive Unit Insignia
Description On a heraldic wreath Or and Tenné (Dragoon Yellow) a hawk rising with wings addorsed and elevated Sable and membered Gules—charged upon an eight-pointed Dragoon Yellow star surrounded by a Black sword belt bearing the organizational motto “ANIMO ET FIDE” with the old Dragoon belt plate of 1836. The insignia is 11⁄4 inches (3.18 cm) in diameter. Symbolism This Regiment was organized in 1833 as the Regiment of United States Dragoons. Many of its officers and men came from the Battalion of Mounted Rangers which had taken part in the Black Hawk War. ”

“ The following activities took place at Fort Polk, Louisiana on 15 February 1957: 1st Tank Battalion Inactivated (less Company A) , and relieved from assignment to 1st Armored Division. Company A, 1st Tank Battalion reorganized and redesignated as HHC, 1st Medium Tank Battalion, 1st Cavalry Regiment. 100th Tank Battalion Inactivated. 1st and 100th Tank Battalions consolidated and redesignated as 1st Cavalry Regiment under the Combat Arms Regimental System. HHC, 1st Tank Battalion redesignated as HHT, 1st Cavalry Regiment. ”