Applying the proper security classification,
AUTODIN and a guard device that provides security
isolation protection between networks. This circuit is
special-handling, and declassification markings
used to move a command's outgoing AUTODIN
required by SECNAVINST 5510.36
messages from a connected AIS to Gateguard for
Selecting the appropriate precedence
onward routing to AUTODIN. When so directed by the
Coordinating message staffing
operator, Gateguard attempts to establish a logical
connection with the attached AIS. Once the link is
Ensuring that the message is correctly formatted
established, messages are transferred to the AIS as
and is error free
soon as they become available.
Ensuring the proper use and selection of
Office Codes
appropriate message-handling instructions
Office codes will be used with all Navy shore
Releaser
activity plain-language addressees (PLAs), including
those in the From line. An office code will immediately
The message releaser is authorized to release a
follow the PLA and will be enclosed by double forward
message for transmission in the name of the originator.
slash (//). See figure 1-1. There is no limit on the
In addition to validating the contents of the message,
number of office codes that can be used with a PLA.
the releaser's signature affirms compliance with
message-drafting instructions contained in
Message Precedence
Telecommunications Users Manual, NTP 3, and
related publications. It is the releaser's signature that
The message precedence indicates a desired
authorizes transmission of the message.
writer-to-reader time. To the telecommunications
center, the precedence indicates the relative order of
Addressee
processing and delivery. The precedence of an
in-coming message has no direct effect on the time in
The addressee's responsibilities depend on
which a reply must be sent or on the precedence
whether the addressee is an action or information
assigned to that reply.
addressee. For an action addressee, the message may
require an immediate response or action. For an
There are four precedence categories: ROUTINE,
information addressee, the message will not normally
PRIORITY, IMMEDIATE, and FLASH. The drafter is
require any action. In either case, the message may
responsible for determining the precedence, although
need to be readdressed to another activity, which is
the releaser may change the precedence assignment.
discussed later.
Fo r t h e p r e c e d e n c e s y s t e m t o wo r k p r o p e r l y,
precedence assignment must be based on the urgency,
MESSAGE FORMAT
rather than on the importance, of the subject. The time
element involved, including the time difference
Naval messages are now being prepared on
between widely separated geographical areas, must
diskettes, using the MTF Editor software. The greatest
also be considered. Complete information and
difference between diskette message preparation and
examples of each type of precedence are contained in
the previous methods is the use of a personal computer
NTP 3. The four precedence categories are shown in
and the medium (diskette) for storing and delivering
table 1-2.
the message.
Diskettes, containing messages, must be
Speed-of-Service Objectives
compatible with formats cited in MIL-STD 1832, as
applicable to Navy users. Any diskette received at a
The goal of the speed-of-service (SOS) objectives
naval telecommunications center (NTCC) or an
AUTODIN gateway terminal (Gateguard System) that
possible. These objectives apply to the total elapsed
cannot be read because of incompatible media or
diskette file format will be rejected.
at the message originator's telecommunications cen-
ter to the time of receipt at the addressee's tele-
Gateguard is a backside AUTODIN terminal that
communications center. SOS objectives are shown
provides a command's automated information system
in table 1-3.
(AIS) with both an on-line communication gateway to
1-8