In our collection you will encounter military terminology and acronyms. Here you can find out what they mean:

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(T)

Denotes an Officer who has passed for Torpedo Officer; in a ship, an Officer borne for Torpedo Duties. (Source: Australian Navy List, 1941)

(T)(a)

Armament Officer (RAF)

(T)(e)

Engineer Officer (RAF)

T

Technical Branch (Air Force)

T

Temporary

T

Tonnes

TB

Temporary Base [duties] (First World War)

T Co

Transportation Company (USA)

T Mort

Trench Mortar (USA)

T of Opns

Theater of Operations (USA)

T Sgt

Technical Sergeant (USA)

T/B

Temporary Base (Medical Class 1914-18)

T/Bs

Torpedo Bombers

T/O&E

Tables of Organisation and Equipment (USA)

T/R

Transportation Request (USA)

T/Sgt

Temporary Sergeant

T/U

Telecommunication Unit (RAAF)

T/Warrant

Temporarily appointed as a warrant officer

TA

Territorial Army (UK)

TAB

Mixed vaccine, Typhoid and Paratyphoid A and B (First World War)

Tac

Tactical

TAC

Tactical Air Command (USA)

TAC

Telecom Advisory Committee

Tac R

Tactical Reconnaissance (RAAF, Second World War)

TACAN

Tactical Air Navigation System

TACC

Tactical Air Control Centre

TACCO

Tactical Coordinator

TACP

Tactical Air Control Party

TACT

Tactical Transport

TAD

Tactical Air Direction

TADC

Tactical Air Direction Common

TAF

Tactical Air Force

TAG

Telegraphist air gunner (Second World War)

TAG

The Adjutant General (USA)

TAG

Torpedo boat Destroyer

TAG

Torpedo Bomber Douglas

TALOP

Terminology Administrative Logistical Operational Procedure

TALU

Training and Liaison Unit

TANS

Territorial Army Nursing Service

TAOI

Tactical Area of Interest. A TAOI is a prescribed area assigned to a commander who is responsible for monitoring enemy activity in the area and conducting tactical and pacification support operations as necessary throughout the area.

TAOR

Tactical Area of Operations Tactical Area of Responsibility. A TAOR is a prescribed area which has been assigned to a commander who is responsible for and has the authority to act on the development and maintenance of installations and the conduct of tac

TAR

Tactical Air Request

Tas

Tasmania

TAS

True Air Speed

TAS

Torpedo and Anti‑Submarine. A raid, battle or a bombardment commences

TASE

Tactical Air Support Element

TASF

Tactical Air support Force

TAT

Preventative shot for type A typhoid (paratyphosus A)

TATC

Tactical Air Traffic Control

TBA

To Be Advised

TBAL

To be Announced Later

TBC

To be confirmed

TBD

To Be Determined

TBDL

To Be Determined Later

TBO

Time Between Overhaul

TBS

Talk Between Ships (Radio)

TC

Transportation Corps (USA)

TC

Trusteeship Council (United Nations Organisation - UNO)

TC

Traffic Control

TCB

Training Centre Barracks (RAAF)

TCG

Troop Carrier Group (USA)

TCL

Tentacle

TCO

Tactical Control Officer (anti-aircraft)

TCP

Traffic Control Post

TCS

Traffic Control Station (USA)

TCS

Troop Carrier Squadron (USA)

TCV

Troop Carrying Vehicle

TCW

Troop Carrier Wing (USA)

TD

Tank Destroyer (USA)

TD

Tank Division

TD

Territorial Decoration

TD

Tank dozer

TDC

Tank Destroyer Center (USA)

TDR

Tank Delivery Regiment

TDRAHRR & DP of the ATC

Technical Director of Research Activities for the Human Resources Research and Development Program of the Air Training Corps

TDS

Training Depot Station

TDSM

Tradesman

TDT/FC

Tank Destroyer Tactical and Firing Center (USA)

TDY

Temporary Duty

TE

Task Element

TE

Tropical Establishment

TEAL

Quadripartite Standardisation Discussions

TECH

Technical

TECH

Technician

TECH

Technologist

Tel

Telegraphist

Tele

Telephone

TELECOM

Telecommunications

TELECON

Telephone Conversation

TELEG

Telegraphist

TELSCOPE

Telecommunications Operator

TELSOP

Telecommunications Operator

TELSTECH

Telecommunications Technician

Temp

Temporary

TEQUIP

Technical Equipment

TET

Lunar New Year (Vietnamese)

TET

Tropical Equipment Table

TEWT

Tactical Exercise Without Troops

TF

Task Force

TF

Territorial Force (First World War)

TFAIO

Task Force Artillery Intelligence Officer

TFC

Traffic

Tfd

Transferred

TFES

Territorial Forces Evaluation System

TFMA

Task Force Maintenance Area

Tg

Telegraph (USA)

Tg

Training

Tg

Task Group

Tg

Telegram

TGMSE

Task Group Medical Support Unit

Tgt

Target

TH

Thailand

THQ

Theater Headquarters (USA)

THR

Their Royal Highnesses

THS

Temporary Hospital Ship (First World War)

THTR

Theatre

TIB

Training Information Bulletins  (Vietnam)

TIBBIN

Hay/chaff mix feed for horses and camels in Palestine

TIC

Target Information Centre

TIDE

Tactical International Data Exchange (RAN)

Tiller Flat

The compartment within a ship which contains the steering gear. In an emergency the ship can be steered from this position.

TIPS

Troop Information Progress Service (USA)

TIR

Technical Intelligence Report

Tk

Tank(s)

Tk A

Tank Attack

Tk Tptr Coy

Tank Transporter Company (First World War AIF Australian Army Service Corps Unit)

TKOF

Take Of

TKR

People's Protection Army (Tentara Keamanon Rakyat, later changed to TKI)

Tkr

Tanker(s)

TLC

Tracked Load Carrier

TLE

Treaty limited equipment

TLO

Technical Liaison Officer

TLR

Trailer

TM

Technical Manual (USA)

TM

Time Mechanical (USA)

TM

Trench Mortar

TMB

Trench Mortar Battery

Tml

Terminal

TML SQN

Terminal Squadron (Vietnam War)

TMO

Transportation and Movements Office (RAAF)

TMP

Technical Maintenance Plan

TMU

Torpedo Maintenance Unit (RAAF)

Tn

Transportation

Tn

Train (USA)

Tng

Training (USA)

Tng Dep ICC

Training Depot, Imperial Camel Corps [First World War AIF Camel Corps Unit]

TNI

Indonesian Armed Forces (East Timor)

TNT

High explosive widely used in projectiles and by engineers; trinitro‑toluene; trinitrotoluol

TO

Transport Officer

TOC

Tactical Operations Centre. In United States units and formations, the equivalent of an Australian unit or formation Command Post. Adopted by 1 Australian Task Force. (Vietnam War)

Toc H

A society that continues comradeship of 1914‑18 War. Toc is signalise for T, H is short for House and TH is Talbot House. Instituted at Ypres in memory of Gilbert Talbot.

TOD

Time of Dispatch

TOET

Test of Elementary Training

TOFR

Time of Receipt

TOFT

Time of Transmission

TOG method

Target observer gun method (USA)

Tomcat

Visual identification of friendly aircraft by standing patrol over Fleet (RAAF, Second World War)

TOO

Time Of Origin

TOPC

Top of Climb

Topo

Topographical

Topo Svy Tp

Topographical Survey Troop (Vietnam War)

TOPSEC

Top Secret

Tor

Torpedo (USA)

TOR

Terms of Reference

TOR

Time of receipt (signals)

TORD

Technical Order

Tordon 50D

Tordon 50D (picloram/2,4-D). Tordon 50D was the commercial name for an Australian supplied herbicide used by the Australian Force in Vietnam War.

Torp

Torpedo

TOS

Taken on Strength (Taken into unit/joined)

TOT

Time on/over Target

TOXICITY

The property of a foreign substance that causes an adverse health effect

Tp

Telephone (USA)

Tp

Troop(s)

Tp

Traffic Post

TPA

Test Project Agreement

TPE

Terminate of Period of Enlistment/Employment

TPHONEOP

Telephone Operator (WRAAF - Women's Royal Australian Air Force)

TPNG

Territory of Papua New Guinea (so named from 1945-1973)

TPP

Time Past a Point

Tpr

Trooper

TPT

Transport

Tpt

Transport(s)

Tpt Pl

Transport Platoon

Tptr

Trumpeter

TQM

Transport Quartermaster

TQM

Total Quality Management

TR

Technical Regulations (USA)

TR

Trainee

Tr Carr Sq

Troop Carrier Squadron (USA)

Tr Gp, HQ

Training Group, Headquarters (RAAF)

TRAIL DUST

A herbicide spray mission flown by UC-123 aircraft as part of the Ranch Hand project (HQ II FFV Regulation Number 525-10 Combat Operations - Herbicide Operations - 31 Dec 70).

TRAINEE

Trainee

TRC

Torpedo Recovery Craft

TRE

Telecommunications Research Establishment

TREQ

Transportation Request

Trfd

Transferred

Trg

Training

TRG

Training

TRGO

Training Officer

TRIG

Trigonometry

TRINOP

Teleprinter Operator (WRAAF - Women's Royal Australian Air Force)

TRINOPC

Teleprinter Operator (WRAAF - Women's Royal Australian Air Force)

Trip

Triplicate

Trn

Train

TRSB

Torpedo Recovery Safety Boat

TRV

Torpedo Recovery Vessel

Ts

Signals Officer (RAF)

TS

Transit Storage (USA)

TS

Tropical Scale

TSCEECER

Temporary Sub Commission of the Economic and Employment Commission of the Economic Reconstruction of Devastated Areas. (United Nations Organisation - UNO)

TSDS

Two speed Destroyer Sweeper

TSM

Troop Sergeant Major (First World War)

TSMG

Thompson Sub Machine Gun

TSN

Tan San Nhut, the international airfield servicing Saigon. It was also a large military air base.

TSO

Technical Staff Officer

TSR

Torpedo spotter Reconnaissance (RAAF, Second World War)

TSS

Troop Transport Ship. Example TSS New Australia

TSU

Tactical Signal Unit

TT

Torpedo tube(s)

TTA

Large offensive German torpedo boat (Second World War)

TTC

Technical Training Centre

Ttc

Teletypewriter Center (USA)

TTCON

Teletypewriter Conference

TTCP

The Technical Cooperation Programme

TTI

Tactical Target Illustration

TU

Training Unit (USA)

TU

Task Unit

Tu

Turkey

TULO

Tank Unit Landing Officer

Tun Coy

Tunnelling Company

TUR

Tasmanian University Regiment

TURCO

Turn Round Control Organisation (British - used in Normandy landings)

Tvl

Transvaal

TW

Tropical Warfare

TWET

Tropical War Equipment Table

TWX

Teletypewriter Exchange (USA)