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
safeguarded.
F
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
information.
G
GENERAL  MESSAGE  A message with wide,
predetermined  and  standard  distribution.
I
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.
AI-2
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.
J
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.
M
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
(FCC).
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
multiple  CPUs.
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.