| AEC | ATOMIC ENERGY COMMISSION (UNITED NATIONS) |
| AECL | ATOMIC ENERGY OF CANADA LIMITED |
| AFP | AGENCE FRANCE-PRESSE |
| ALN | NATIONAL LIBERATION ARMY OF ALGERIA (ARMEE DE LIBERATION NATIONALE) |
| AOT | ASSOCIATION OF OVERSEAS TERRITORIES |
| AP | ASSOCIATED PRESS |
| ASW | ANTISUBMARINE WARFARE |
| ATA | AIR TRANSPORT ASSOCIATION (OF AMERICA) |
| AVRO | A.V. ROE & CO. LTD. |
| BC | BRITISH COLUMBIA |
| BEA | BRITISH EUROPEAN AIRWAYS |
| BMEWS | BALLISTIC MISSILE EARLY WARNING SYSTEM |
| BOAC | BRITISH OVERSEAS AIRWAYS CORPORATION |
| BOMARC | BOEING-MICHIGAN AERONAUTICAL CENTRE |
| CBC | CANADIAN BROADCASTING CORPORATION |
| CCOS | CHAIRMAN, CHIEFS OF STAFF |
| CDC | CABINET DEFENCE COMMITTEE |
| CDN | CANADIAN |
| CFA | CEASE FIRE AGREEMENT |
| c.i.f. | COST, INSURANCE AND FREIGHT |
| CINCNORAD | COMMANDER IN CHIEF, NORAD |
| CIR | CANADA-INDIA REACTOR |
| CJS(L) | CANADIAN JOINT STAFF (LONDON) |
| CLC | COMMONWEALTH LIAISON COMMITTEE |
| CMA | CANADIAN MANUFACTURERS ASSOCIATION |
| CNR | CANADIAN NATIONAL RAILWAYS |
| CNT? | CANADIAN NATIONAL TELEGRAPH |
| CN(WI)S | CANADIAN NATIONAL (WEST INDIES) STEAMSHIPS |
| CPS | CONTRACTING PARTIES (GATT) |
| CPSU | COMMUNIST PARTY OF THE SOVIET UNION |
| CRO | COMMONWEALTH RELATIONS OFFICE (UK) |
| CTC | CONFEDERACION DE TRAJABADORES DE CUBA (CONFEDERATION OF CUBAN WORKERS) |
| DDP | DEPARTMENT OF DEFENCE PRODUCTION |
| DEA | DEPARTMENT OF EXTERNAL AFFAIRS |
| DEW | DISTANT EARLY WARNING |
| DL | DEFENCE LIAISON |
| DLF | DEVELOPMENT LOAN FUND (US) |
| DM/DND | DEPUTY MINISTER OF DEPARTMENT OF NATIONAL DEFENCE |
| DOT | DEPARTMENT OF TRANSPORT |
| DRVN | DEMOCRATIC REPUBLIC OF VIETNAM |
| ECAFE | ECONOMIC COMMISSION FOR ASIA AND THE FAR EAST (UNITED NATIONS) |
| ECE | ECONOMIC COMMISSION FOR EUROPE (UNITED NATIONS) |
| ECLA | ECONOMIC COMMISSION FOR LATIN AMERICA |
| ECM | ELECTRONIC COUNTER MEASURES |
| ECOSOC | ECONOMIC AND SOCIAL COUNCIL OF THE UNITED NATIONS |
| ECSC | EUROPEAN COAL AND STEEL COMMUNITY |
| EEC | EUROPEAN ECONOMIC COMMUNITY |
| EFTA | EUROPEAN FREE TRADE AREA |
| EMA | EUROPEAN MONETARY AGREEMENT |
| ENEA | ENTE NAZIONALE PER L'ENERGIA ATOMICA (NATIONAL AGENCY FOR ATOMIC ENERGY, ITALY) |
| EPU | EUROPEAN PAYMENTS UNION |
| EST | EASTERN STANDARD TIME |
| EURATOMK | EUROPEAN ATOMIC ENERGY COMMUNITY |
| FAC | FOREIGN ASSETS CONTROL (UNITED STATES) |
| FAO | FOOD AND AGRICULTURE ORGANIZATION |
| FAS | FOREIGN AGRICULTURAL SERVICE (OF THE USDA) |
| FLN | FRONT DE LIBERATION NATIONALE (NATIONAL LIBERATION FRONT, ALGERIA) |
| FO | FOREIGN OFFICE (UK) |
| f.o.b. | FREE ON BOARD |
| FRUS | FOREIGN RELATIONS OF THE UNITED STATES |
| FTA | FREE TRADE AREA |
| FUNU | FORCE D'URGENCE DES NATIONS UNIES |
| GATDEL | GATT DELEGATION (OF CANADA) |
| GATT | GENERAL AGREEMENT ON TARIFFS AND TRADE |
| GDR | GERMAN DEMOCRATIC REPUBLIC |
| GPRA | PROVISIONAL GOVERNMENT OF THE ALGERIAN REPUBLIC (GOUVERNEMENT PROVISIONEL DE LA RÉPUBLIQUE ALGÉRIENNE) |
| GVN | GOVERNMENT OF (SOUTH) VIETNAM |
| HMCS | HER MAJESTY'S CANADIAN SHIP |
| HR | HOUSE RESOLUTION |
| IAEA | INTERNATIONAL ATOMIC ENERGY AGENCY |
| IBRD | INTERNATIONAL BANK FOR RECONSTRUCTION AND DEVELOPMENT |
| ICBM | INTERCONTINENTAL BALLISTIC MISSILE |
| ICC | INTERNATIONAL CONTROL COMMISSION (VIETNAM) |
| ICEM | INTERGOVERNMENTAL COMMITTEE FOR EUROPEAN MIGRATION |
| ICJ | INTERNATIONAL COURT OF JUSTICE |
| IDA | INTERNATIONAL DEVELOPMENT ASSOCIATION |
| IDAE | INDIAN DEPARTMENT OF ATOMIC ENERGY |
| i.e. | ID EST (THAT IS) |
| IGY | INTERNATIONAL GEOPHYSICAL YEAR |
| IJC | INTERNATIONAL JOINT COMMISSION (CANADA- US) |
| IMCO | INTER-GOVERNMENTAL MARITIME CONSULTATIVE ORGANIZATION |
| IMF | INTERNATIONAL MONETARY FUND |
| INRA | INSTITUTO NACIONAL DE REFORMA AGRARIA (NATIONAL AGRARIAN REFORM INSTITUTE OF CUBA) |
| IRBM | INTERMEDIATE-RANGE BALLISTIC MISSILE |
| ITBM | INTER-THEATRE BALLISTIC MISSILE |
| IWA | INTERNATIONAL WHEAT AGREEMENT |
| KVA | KILOVOLT-AMPERES |
| KW | KILOWATT |
| LPG | LIQUID PETROLEUM GASES |
| MAAG | MILITARY ASSISTANCE ADVISORY GROUP (US) |
| MAE | MINISTERE DES AFFAIRES EXTERIEURES |
| MDAP | MUTUAL DEFENSE AID PROGRAM |
| MEP | MAHAJANA EKSATH PERAMUNA (PEOPLE'S UNITED FRONT OF CEYLON) |
| MFN | MOST FAVOURED NATION |
| MNA | MOUVEMENT NATIONALE ALGÉRIEN (NATIONAL ALGERIAN MOVEMENT) |
| MP | MEMBER OF PARLIAMENT |
| MRP | MOUVEMENT RÉPUBLICAIN POPULAIRE (POPULAR REPUBLICAN MOVEMENT OF FRANCE) |
| NASA | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION (UNITED STATES) |
| NATO | NORTH ATLANTIC TREATY ORGANIZATION |
| NCCUC | NATIONAL CONFERENCE OF CANADIAN UNIVERSITIES AND COLLEGES |
| NCO | NON-COMMISSIONED OFFICER |
| NDP | NATIONAL DEMOCRATIC PARTY |
| NEB | NATIONAL ENERGY BOARD |
| NLHX, OR NLHS | NEO LAO HAC XAT, OR SAT (LAO PATRIOTIC FRONT) |
| NORAD | NORTH AMERICAN AIR DEFENCE COMMAND |
| NRC | NATIONAL RESEARCH COUNCIL |
| NRX | NATIONAL RESEARCH EXPERIMENTAL |
| OAS | ORGANIZATION OF AMERICAN STATES |
| OCDM | OFFICE OF CIVIL AND DEFENSE MOBILIZATION (UNITED STATES) |
| OECE | ORGANISATION EUROPEENNE DE COOPERATION ECONOMIQUE |
| OEEC | ORGANIZATION FOR EUROPEAN ECONOMIC COOPERATION |
| ONU | ORGANISATION DES NATIONS UNIES |
| OGL | OPEN GENERAL LICENCE |
| OTAN | ORGANISATION DU TRAITE DE L'ATLANTIQUE NORD |
| PAC | PAN-AFRICAN CONGRESS |
| PAVN | PEOPLE'S ARMY OF VIETNAM |
| PERMIS | PERMANENT MISSION |
| PL | PUBLIC LAW |
| PLS RPT | PLEASE REPEAT |
| PM | PRIME MINISTER |
| PPA | PERIODICAL PRESS ASSOCIATION |
| P.S. | POST SCRIPT |
| QANTAS | QUEENSLAND AND NORTHERN TERRITORY AERIAL SERVICES LIMITED |
| QR | QUANTITATIVE RESTRICTION |
| RAU | REPUBLIQUE ARABE UNIE |
| RCAF | ROYAL CANADIAN AIR FORCE |
| RCMP | ROYAL CANADIAN MOUNTED POLICE |
| RCN | ROYAL CANADIAN NAVY |
| RLG | ROYAL LAOTIAN GOVERNMENT |
| RSA | REPUBLIC OF SOUTH AFRICA |
| SAC | STRATEGIC AIR COMMAND (US) |
| SACEUR | SUPREME ALLIED COMMANDER, EUROPE (NATO) |
| SACLANT | SUPREME ALLIED COMMANDER, ATLANTIC (NATO) |
| SAGE | SEMI-AUTOMATIC GROUND ENVIRONMENT |
| SEATO | SOUTHEAST ASIA TREATY ORGANIZATION |
| SFIO | SECTION FRANÇAISE DE L'INTERNATIONALE OUVRIERE |
| SHAPE | SUPREME HEADQUARTERS, ALLIED POWERS, EUROPE (NATO) |
| SMA | SENIOR MILITARY ADVISOR |
| SOFA | STATUS OF FORCES AGREEMENT |
| SSEA | SECRETARY OF STATE FOR EXTERNAL AFFAIRS |
| SSM | SURFACE-TO-SURFACE MISSILE |
| SUNFED | SPECIAL UNITED NATIONS FUND FOR ECONOMIC DEVELOPMENT |
| SVC | SERVICE CORRECTION |
| SVM | SOUTH VIETNAMESE MISSION |
| SVN | SOUTH VIETNAM(ESE) |
| T&C | TRADE AND COMMERCE, DEPARTMENT OF |
| TASS | TELEGRAPH AGENCY OF THE SOVIET UNION |
| TCA | TRANS-CANADA AIRLINES |
| TERM | TEMPORARY EQUIPMENT RECOVERY MISSION |
| TRIM | TRAINING RELATIONS INSTRUCTION MISSION |
| UAR | UNITED ARAB REPUBLIC |
| UAS | UNITED ARAB STATES |
| UK | UNITED KINGDOM |
| UKAEA | UNITED KINGDOM ATOMIC ENERGY AUTHORITY |
| UN | UNITED NATIONS |
| UNCURK | UNITED NATIONS COMMISSION FOR UNIFICATION AND REHABILITATION OF KOREA |
| UNEF | UNITED NATIONS EMERGENCY FORCE |
| UNESCO | UNITED NATIONS EDUCATIONAL, SCIENTIFIC AND CULTURAL ORGANIZATION |
| UNGA | UNITED NATIONS GENERAL ASSEMBLY |
| UNOGIL | UNITED NATIONS OBSERVATION GROUP IN LEBANON |
| UNRWA | UNITED NATIONS RELIEF AND WORKS AGENCY FOR PALESTINE REFUGEES IN THE NEAR EAST |
| UNSCEAR | UNITED NATIONS SCIENTIFIC COMMITTEE ON THE EFFECTS OF ATOMIC RADIATION |
| UP | UNITED PRESS |
| US/ USA | UNITED STATES (OF AMERICA) |
| USAEC | UNITED STATES ATOMIC ENERGY COMMISSION |
| USAF | UNITED STATES AIR FORCE |
| USDA | UNITED STATES DEPARTMENT OF AGRICULTURE |
| USS | UNITED STATES SHIP |
| USSEA | UNDER-SECRETARY OF STATE FOR EXTERNAL AFFAIRS |
| USSR | UNION OF SOVIET SOCIALIST REPUBLICS |
| W/C | WING COMMANDER |
| WHO | WORLD HEALTH ORGANIZATION |
| WMO | WORLD METEOROLOGICAL ORGANIZATION |