| 1LT | 1st lieutenant |
| AA | antiaircraft |
| AAMG | antiaircraft machine gun |
| ALVF | Heavy Railroad Artillery
Artillerie Lourde sur Voie Ferrée |
| ammo | ammunition |
| Arty | Artillery |
| Asst. | Assistant |
| AT | antitank |
| ATG | antitank gun |
| BAM | Military Administration Staff Officer
Brevet d'Administrateur Militaire |
| BAR | Browning Automatic Rifle
Fusil-Mitrailleur Modele 30 |
| BEM | General Staff Officer
Breveté d'État Major |
| BMA | Military Administration Staff Officer
Brevet Militaire Administrateu |
| Btl | Battalion |
| CA | antiaircraft
contre aéronefs |
| Cav | Cavalry |
| Cdr | Commander |
| ChA | Ardennes Light Infantry
Chasseurs Ardennais / Ardeense Jagers |
| ChaP | Light Infantry
Chasseurs à Pied / Jagers te Voet |
| ChCh | Mounted Light Infantry ("light dragoons")
Chasseurs à Cheval / Jagers te Paard |
| Cmd | Command |
| Co | Company |
| COL | colonel |
| CoS | Chief-of-Staff |
| Div | Division(al) |
| CPT | captain |
| DTCA | Army Antiaircraft Artillery
Défense terrestre contre aéronefs |
| Engr | Engineer |
| FN | Belgian firearms manufacturer (in Herstal)
Fabrique Nationale. Full name is Fabrique Nationale Herstal |
| FRC | Belgian armaments factory (in Liege)
Fonderie Royale de Canons |
| GHQ | general headquarters |
| GrVLu | Army Antiaircraft Artillery
Grondverdediging tegen Luchtvaartuigen |
| GTA | Territorial Antiaircraft Defence
Garde Territoriale Anti-aérienne |
| How | howitzer |
| HMG | heavy machine gun |
| Hqs | Headquarters |
| LMG | light machine gun |
| Inf | Infantry |
| LTC | lieutenant colonel |
| LTG | lieutenant genaral |
| MAB | Military Administration Staff Officer
Militair Administratiebevret |
| MAJ | major |
| MG | machine gun |
| MG | major general |
| NCO | Non-Commissioned Officer(s) |
| Obsv. | Observation |
| OZ | Chemical Officer
Officier Z |
| OR | Other Rank(s) (enlisted men, excluding sergeants) |
| PFA | Antwerp Fortified Position
Position Fortifiée d'Anvers |
| PFL | Liege Fortified Position
Position Fortifiée de Liège |
| PTT | Belgian Post
Post, Telegraaf en Telefoon / Postes, Télégraphe et Téléphone |
| PFN | Namur Fortified Position
Position Fortifiée de Namur |
| QM | Quartermaster |
| Recon | Reconnaissance |
| RFA | Antwerp Fortress Regiment
Régiment de Forteresse d'Anvers |
| RFL | Liege Fortress Regiment
Régiment de Forteresse de Liège |
| Rgt | Regiment(al) |
| RFN | Namur Fortress Regiment
Régiment de Forteresse de Namur |
| RFL | Liege Fortress Regiment
Régiment de Forteresse de Liège |
| RTC | replacement and training center |
| SF | semi-fixed (static)
semi-fixé |
| SBH | General Staff Officer
Staf Brevet Houder |
| SOM | French optical instruments firm
Société d'Optique et de Mécanique de haute précision |
| Sr.CPT | senior captain
Captain-Commandant / Kapitein-commandant |
| SVE | Special Fortress Troops
Speciale Vestingseenheden |
| TCF | Railroad Troops
troupes de chemins de fer |
| Trike | Three wheeled motorcycle
(Could carry up to 550kg cargo or 5 passagers, including the driver.) FN Tricar at Ecosia [Opens in new window] |
| TWL | Territorial Antiaircraft Defence
Territoriale Wacht voor Luchtafweer |
| USF | Special Fortress Troops
Unités Spéciales de Forteresse |
| VPA | Antwerp Reinforced Position
Versterkte Positie Antwerpen |
| VPL | Liege Reinforced Position
Versterkte Positie Luik |
| VPN | Namur Reinforced Position
Versterkte Positie Namen |
| VRL | Liege Fortress Regiment
Vestingsregiment van Luik |
| w/sc | with sidecar |