 Their radio callsign is "River" and their tail code is "AF".The squadron’s insignia and nickname "River Rattlers" were approved by Chief of Naval Operations on 31 August 1970.Attack Squadron 204 (VA-204) was established at NAS Memphis, Tennessee on 1 July 1970, flying the A-4C Skyhawk as part of a reorganization intended to increase the combat readiness of the Naval Air Reserve Force.