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PQS— Personnel Qualification Standards.
PRO FORMA— Predetermined format.
PROSIGNS— Procedural signs.
PSN— Processing sequencing number.
R
RADAY— Radio day.
RD— Restricted Data.
RI— Routing indicator.
RMKS— Remarks.
S
TICON— Tight control.
TOD— Time of delivery.
TOF— Time of file.
TOR— Time of receipt.
TPI— Two-person integrity.
TR— Trouble report.
TSC— Top Secret control officer.
TSEC— Telecommunications security.
TSO— Telecommunications service order.
TSR— Telecommunications service request.
TVA— TEMPEST Vulnerability Assessment.
TVAR— TEMPEST Vulnerability Assessment Request.
SEF— SPECAT Exclusive For.
SIGSEC— Signal security.
SIOP-ESI— Single Integrated Operational PlanExtremely Sensitive Information.
SOG— Special Operating Group.
SOP—Standard operating procedure.
SPECAT— Special Category.
SSN— Station serial number.
SUBMISS— Submarine missing.
SUBRON— Submarine squadron.
SUBSUNK— Submarine sunk.
SVC— Service.
SWS— Senior Watch Supervisor.
U
T
Z
TASO— Terminal Area Security Officer.
TCC— Telecommunications Center.
ZDK— Send again (“Z” signal).
ZUI— Your attention is invited to . . . (“Z” signal).
UPS— Uninterrupted power supply.
US&P— United States and Possessions.
USMCEB— United States Military Communications-Electronics Board.
V
VDT— Video display terminal.
W
WESTPAC— Western Pacific.
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