Naval Security Group Activity Kunia (NSGA Kunia) was officially commissioned November 14, 1980, at Wheeler Army Airfield serve as an integral member of the worldwide U.S. communications network, and to provide radio relay and secure communications for the defense of the U.S. and its allies. NSGA Kunia provided cryptologic personnel, information, communications, and engineering installation services to support Pacific Theater and National warfare requirements. NSGA Kunia provided host support services to the Kunia Regional Security Operations Center.
Marine Cryptologic Support Battalion (formerly Marine Support Battalion) Company I was co-located with NSGA Kunia, and still resides at Schofield Barracks.
U.S. Naval Security Group Activity (NSGA) Kunia and the U.S. Naval Security Group Activity (NSGA) Pearl Harbor merged commands in a ceremony September 30, 2004 at the USS Nevada Memorial, in Pearl Harbor, HI. NSGA Pearl Harbor was officially disestablished, and the U.S. Naval Security Group Activity (NSGA) Hawaii was commissioned.