Shield
Vert, five spearheads paleways in chevron Or.
Crest
On a wreath Or and Vert, supported by two lions rampant Sable langued Gules a Korean gateway of the last with doors closed of the third secured by a bar with two holders of the first.
Motto
STRIKE SWIFTLY.
Shield
The shield is green with five gold spearheads representing a platoon of five tanks entering into combat in a flying wedge formation.
Crest
The two lions refer to the arms of Normandy and of Belgium where the unit served with distinction in World War II. The closed and bolted Korean gateway commemorates the organization's action in repulsing he enemy's attempt to pass through the Pusan Perimeter at Taegu in the Korean War.
The coat of arms was originally approved for the 70th Tank Battalion (Medium) on 13 January 1941. It was redesignated for the 70th Tank Battalion (Light) on 18 May 1942. It was redesignated for the 70th Armor Regiment on 29 March 1963. The insignia was amended to include a crest on 20 November 1964.