Figure 2-1.—Naval communications areas.
communications detachments on all naval
communications matters. It also provides Naval
Industrial Fund (NIF) AIS services to Navy customers.
NAVAL COMPUTER AND
TELECOMMUNICATIONS
DETACHMENT
A Naval Computer and Telecommunications
Detachment (NAVCOMTELDET) is a small
telecommunications facility that is assigned a limited,
or specialized, mission and has a limited number of
personnel and facilities.
NAVAL DATA AUTOMATION FACILITY
A Naval Data Automation Facility (NAVDAF)
comes under the control of an NCTS or a NARDAC.
NAVDAFs provide AIS services in areas where no
NARDACs are located. The workload of a NAVDAF
is normally less than that of a NARDAC.
NAVAL SECURITY GROUP
DEPARTMENTS
The Naval Security Group Departments
(NAVSECGRUDEPTs) come under the authority of
Commander, Naval Security Group Command
(COMNAVSECGRU), and are responsible for the
cryptologic and related functions of the Navy.
NAVSECGRUDEPTs maybe part of a NCTAMS or a
NAVCOMTELSTA. As such, COMNAVSECGRU
exercises technical control over the cryptologic
operations, whereas COMNAVCOMTELCOM has
overall responsibility for the management and
operating efficiency of the NAVSECGRUDEPTS.
MILITARY AFFILIATE RADIO
SYSTEM (MARS)
A function of the Military Affiliate Radio System
(MARS) is to provide auxiliary communications to
military, civil, and/or disaster officials during periods
of emergency. The Navy encourages amateur radio
operators to affiliate with MARS. Many of the
2-5
