| | | |
| BIPODS | |
| BLACK FORCE | |
| BLOOD AND SERUM UNITS | |
| BOER FORCES | |
| BOMB DISPOSAL UNITS (ENGINEERS) | |
| BOOMERANG CLUB | |
| BORING PLATOONS | |
| BOY SCOUTS | |
| BRIDGING TRAINS | |
| BRIGADE ORDNANCE FIELD PARKS | |
| BRIGADE SIGNALS | |
| BRIGADE WORKSHOPS | |
| BRIGHTON RIFLES | |
| BRISBANE FORTRESS | |
| BRITISH 8TH ARMY | |
| BRITISH ARMY | |
| BRITISH ARMY AID GROUP, CHINA (1942-5) | |
| BRITISH ARMY (AUSTRALIA, PRE 1870) | |
| BRITISH BORNEO CIVIL AFFAIRS UNIT | |
| BRITISH BROADCASTING CORPORATION | |
| British Commonwealth Forces in Korea | |
| BRITISH COMMONWEALTH OCCUPATION FORCE | |
| BRITISH EXPEDITIONARY FORCE | |
| BRITISH FORCES | |
| BRITISH SOLOMON ISLANDS PROTECTORATE DEFENCE FORCE BROWNIES | |
| BSIPDF | |
| BULGARIAN FORCES | |
| BULK ISSUE PETROL AND OIL DEPOTS | |
| BULK PETROLEUM STORAGE COMPANIES | |
| BUNA BASE SUB AREA | |