ShieldGules, a pile voided Or crusilly fitchy of the like over all a Railway Gun in the act of firing Argent, flame Proper.
CrestOn a wreath of the colors Or and Gules a panther passant guardant, incensed Or, flames Proper.
MottoNULLIS PAVET OCCURSUM (He Fears No Encounter).
ShieldThe shield is scarlet for Artillery. The cross crosslets fitchy, from the arms of the Lords of Commercy, refer to the baptism of fire of a battery of the regiment at Royanmoix, near Commercy, World War I. The pile is from the coat of arms of the 53d Artillery C.A.C., elements of which were later amalgamated into the 7th Coast Artillery. The Railway Gun commemorates the unique distinctive of Battery "E", 42d Artillery C.A.C. (later Headquarters Battery, 7th Coast Artillery) of firing the first shot in World War I by a Coast Artillery organization.
CrestThe panther is taken from the coat of arms of the Coast Defenses of Sandy Hook where the Regiment was organized on 1 July 1924.
The coat of arms was originally approved for the 7th Coast Artillery Regiment on 28 July 1924. It was redesignated for the 7th Antiaircraft Artillery Automatic Weapons Battalion on 10 June 1952. The insignia was cancelled on 20 April 1960. It was restored and authorized effective 1 September 1971, for the 7th Air Defense Artillery Regiment.