SPECIAL-HANDLING MARKINGS Additional
markings  or  designations  on  some  messages  that
alert the user or communications center that the
message requires special attention in handling.
Some of these include Caveat, Restricted Data
(RD), Formerly Restricted Data (FRD), FOUO,
EFTO,  SPECAT,  and  PERSONAL  FOR.
SWS (SENIOR WATCH SUPERVISOR) When
assigned,  the  senior  enlisted  person  on  watch
responsible  for  handling  all  communications
matters; responsible to the CWO.
T
TECH CONTROL SUPERVISOR Responsible for
establishing and maintaining required circuits,
including initiating actions to restore or bypass
failed  equipment,  quality  monitoring,  supervising
assigned personnel, and controlling procedures
for all systems; responsible to the CWO.
TELEPROCESSING  A method of data processing
in which communications devices are used.
TERMINATION REQUEST MESSAGE  A message
sent to request establishment of circuits with a
NCTAMS or NAVCOMTELSTA on a limited
or fill-time basis.
TIME SHARING  A processing mode in which
users share computer system resources through
online terminals.
TSCO (TOP SECRET CONTROL OFFICER)  An
officer,  senior  noncommissioned  officer  (E-7,
E-8,  or  E-9)  or  a  civilian  employee,  (GS-7  or
above)  who  is  responsible  for  the  receipt,
custody,  accounting,  and  disposition  of  Top
Secret material within the command.
TSO  (TELECOMMUNICATIONS  SERVICE
ORDER) Used to authorize the start, change,
or  discontinue  circuits,  trunks,  links,  or  systems.
TSR  (TELECOMMUNICATIONS   SERVICE
REQUEST)Initiates  additions,  deletions,  or
changes  from  the  originating  command  to
existing Defense Communications System (DCS)
circuits.
TVA  (TEMPEST   VULNERABILITY   ASSESS-
MENT) The vulnerability of a ship, aircraft,
shore   station   transportable   equipment,   or   a
contractor  facility  to  susceptibility,  environment,
and threat.
TVAR (TEMPEST  VULNERABILITY  ASSESS-
MENT  REQUEST)  A  request  submitted  prior
to  processing  classified  data  to  the  Naval
Criminal  Investigation  Service.
Y
YANKEE  PRECEDENCE  This category is in
addition  to  the  four  major  precedences
categories;  it  is  an  EMERGENCY  COMMAND
PRECEDENCE  (ECP).  It  is  identified  by  the
precedence   prosign   Y   and   limited   to
designated   emergency   action   command   and
control messages. Speed of service objective is
not fixed. Handled as fast as humanly possible
with an objective of less than 10 minutes.
AI-4