EMERGENCY PLAN Provides for the protection,
removal, or destruction of classified material.
EP (ELECTRONIC PROTECTION) Involves
actions taken to ensure friendly effective use of
the electromagnetic spectrum despite an enemys
use of electronic warfare. EP replaces elec-
tronic counter-countermeasures (ECCM).
EXTRACTS Portions of naval warfare publica-
tions that are extracted/reproduced for use in
training or operations. All extracts must be
properly marked with security classification and
FLASH PRECEDENCE Identified by the
precedence prosign Z. Category reserved for
initial enemy contact reports or operational
combat messages of extreme urgency. Brevity is
mandatory. Speed of service objective is not
fixed. Handled as fast as humanly possible with
an objective of less than 10 minutes.
FRD (FORMERLY RESTRICTED DATA)
Pertains to defense information that has been
removed from the Restricted Data category but
is still safeguarded as classified defense
GENERAL MESSAGE A message with wide,
predetermined and standard distribution.
IFF (IDENTIFICATION FRIEND OR FOE) A
system using electromagnetic transmissions to
which equipment carried by friendly forces
automatically responds to distinguish themselves
from enemy forces.
IMMEDIATE PRECEDENCE Identified by the
precedence prosign O. Delivery time reserved
for very urgent messages relating to situations
that gravely affect the security of national/allied
forces. Examples of use: amplifying report of
initial enemy contact or unusual major
movements of military forces. Speed of service
objective is 30 minutes to 1 hour.
INMARSAT (INTERNATIONAL MARITIME
SATELLITE COMMUNICATIONS) A
satellite system that interfaces naval com-
munications for the DON and commercial
telecommunications authorized by law.
I/O CONTROL CLERK The person responsible
for the quality and control of data processing
input and output media and products.
JETTISONING A type of destruction that is
completed by throwing material overboard at
sea at a depth of at least 1,000 fathoms or more;
also known as Sinking.
JOB DEPENDENCY When a job requires the
output from another job, it is said to be
dependent on another job.
JOB-RELATED INFORMATION Information
about the resources, media, and time needed for
a particular job.
JULIAN DATE Consists of seven digits; the first
three digits represent the date, and the last four
digits represent the hour and minutes; begins on
the first day of the calendar year.
MARS (MILITARY AFFILIATE RADIO SYS-
TEM) Provides auxiliary communications to
military, civil, and/or disaster officials during
periods of emergency. Users are licensed by
the Federal Communications Commission
MULTIPLE-ADDRESS MESSAGE A message with
two or more addressees.
MULTIPROCESSING A computer processing
mode that provides for simultaneous processing
of two or more programs or routines by use of
MULTIPROGRAMMING A computer processing
mode that provides for overlapping or inter-
leaving the execution of two or more programs
at the same time by a single processor.