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policies, plans, programs, and assessments, and
recommend enhancement to physical security of Navy
bases, installations, property, and personnel. They also
supervise and train security forces in antiterrorism
defense and weapons proficiency and assist commands
in establishing terrorist threat conditions and
implementing defensive measures to combat threat.
O C C U P A T I O N A L F I E L D 2 0
(CRYPTOLOGY).— In this occupational field there is
only one rating—Cryptologic Technician (CT). The
insignia for this rating is the symbol of a crossed quill
and spark.
RMs execute information transfer with
state-of-the-art multimedia technology, such as fiber
optics, digital microwave, and tactical and commercial
satellites on a global basis. They apply principles of
advanced computer technology in support of space and
electronic warfare; and operate, monitor, and control
information systems in support of the worldwide
telecommunications network. RMs employ knowledge
of electronic and operational system theory in applying
diagnostic and restoration techniques and perform
assigned mission organizational level maintenance and
repair of command, control, communications,
computer, and intelligence systems.
O C C U P A T I O N A L F I E L D 2 2
(INTELLIGENCE). —This occupational field
contains only one rating—Intelligence Specialist (IS).
The insignia for this rating is the symbol of a magnifying
glass crossed with a quill.
CTs are divided into six categories: Cryptologic
Technicians (Communications) (CTOs), Cryptologic
Technicians (Administrative) (CTAs), Cryptologic
Technicians (Interpretive) (CTIs), Cryptologic
Technicians (Maintenance) (CTMs), Cryptologic
Technicians (Collection) (CTRs), and Cryptologic
Technicians (Technical) (CTTs). The CTAs will be the
only category that we will discuss in the next paragraph
because of the sensitive nature of the other CT
categories.
CTAs perform administrative, clerical, and
personnel security duties, including typing and filing.
They operate duplicating and word processing
equipment and office machines. They also prepare and
route correspondence and reports, maintain records and
publications, and serve as couriers and stationkeepers.
They additionally perform classified material shipping
tasks for the Naval Security Group in the United States,
overseas, and aboard ship.
O C C U P A T I O N A L F I E L D 2 1
(COMMUNICATIONS).— This occupational task
contains only one rating—Radioman (RM). The
insignia for this rating consists of a replica of four
sparks.
ISs assist in every phase of the collection,
processing, and dissemination of intelligence
information from raw information. They assemble and
analyze multisource operational intelligence of surface,
subsurface, and air weapons in support of intelligence
briefing, reporting, and analytical programs. ISs
prepare and present intelligence briefings. They also
prepare material for use in planning attack and
photographic reconnaissance missions. They maintain
intelligence files, including photographs, maps, charts,
and photographic interpretation keys, and maintain and
update intelligence libraries.
O C C U P A T I O N A L F I E L D 2 3
(METEOROLOGY AND OCEANOGRAPHY).–
This occupational field contains only one
rating—Aerographer’s Mate (AG). The insignia for
this rating is the symbol of a winged circle with a
vertical, feathered arrow through it. One-half of the
circle is filled and to the front.
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