U.S. Call Sign & Address Group System Instructions & Assignments, ACP 100
U.S. SUPP-1(N), Joint Chiefs of Staff, Washington, DC, June 1989.
U.S. Navy Address Indicating Group (AIG) and Collective Address Designator
(CAD) Handbook, NTP 3 SUPP-1(K), Commander, Naval Telecom-
munications Command, Washington, DC, August 1986.
AIII-3