| Acronym | Meaning |
| BWR | Boiling-Water Reactor |
| AFSPC | Air Force Space Command |
| KAZ | Kazakh Language (ISO 639-2 Code) |
| LI | Fifty-one (in Roman Numerals) -Liberia (FIPS 10-4 Country Code) - Liechtenstein (ISO 3166 Digram) |
| LDA | Lateral Drift Apparatus (paratroops) |
| AI | Air Interdiction -Anguilla (ISO 3166 Digram) -Amnesty International - Artificial Insemination - Artificial Intelligence |
| AUTL | Army Universal Task List |
| CERCLA | U.S. Comprehensive Environmental Response |
| BC | Before Christ - Blind Copy (in Emailers) - Boston College -Botswana (FIPS 10-4 Country Code; From Bechuanaland) - British Columbia (postal Symbol) |
| FL | Floruit (Latin |