Shield
Gules, on a maple leaf Argent between in pairle seven fleurs-de-lis Or, the dome of the United States Capitol Azure, in base, dexter a Maltese cross, sinister a scorpion bendwise of the third.
Crest
That for the regiments and separate battalions of the Pennsylvania Army National Guard: On a wreath of the colors Argent and Gules, a lion rampant guardant Proper, holding in dexter paw a naked scimitar Argent hilted Or and in sinister an escutcheon Argent on a fess Sable three plates.
Motto
THE FIRST DEFENDERS
Shield
The shield is red for Artillery. Service during the War of 1812 is indicated by the maple leaf; the Mexican War by the scorpion; the Civil War by the dome of the United States Capitol; Spanish-American War by the Maltese cross; and World War I by the seven fleurs-de-lis.
Crest
The crest is that of the Pennsylvania Army National Guard.
The coat of arms was originally approved for the 213th Coast Artillery Regiment on 1 April 1932. It was redesignated for the 213th Antiaircraft Artillery Gun Battalion on 26 March 1952. It was redesignated for the 213th Antiaircraft Artillery Battalion on 15 December 1954. The insignia was redesignated for the 213th Artillery Regiment on 26 July 1961. It was redesignated for the 213th Air Defense Artillery Regiment on 8 May 1989.