Gules, six piles Or, from chief terminating at the nombril point, overall a strangler fig tree (Ficus Specia) standing on a plot of ground, all Proper.
From a wreath of the colors Or and Gules, an ocelot rampant Or, spotted Sable.
The shield is red for Artillery; the yellow rays signify the direction of Anti-aircraft fire, the six rays yellow and the five spaces red between also signify the 65th Regiment. The strangler fig tree is peculiar to tropical America and indicates the birthplace of the Regiment as the Canal Zone.
The ocelot is a native of Panama and roams as far south as Patagonia and signifies the character of the unit as this animal usually climbs trees and fights upwards for its prey.
The coat of arms was originally approved for the 65th Coast Artillery Regiment on 15 July 1925. It was redesignated for the 65th Antiaircraft Artillery Gun Battalion on 23 September 1949. It was redesignated for the 65th Artillery Regiment on 8 January 1959. The insignia was redesignated effective 1 September 1971, for the 65th Air Defense Artillery Regiment.