| Acronym | Meaning |
 | BB | Barbados (ISO 3166 Digram; FIPS 10-4 Country Code) -Boys' Brigade (Christian Youth Organisation) - Brigitte Bardot (actress) |
| CIAO | Critical Infrastructure Assurance Office - Component-Integrated ACE ORB |
| Y | Yotta - Yttrium |
| LCA | Saint Lucia (ISO 3166 Trigram) |
| PA | Panama (ISO 3166 Digram) - Paraguay (FIPS 10-4 Country Code) -Partial Agonist -Pennsylvania (postal Symbol) - Petampere -PolyAmide (Nylon) - Prince Albert Piercing - Public Address (vocal Amplification System) - Public Affairs |
| MYA | Burmese Language (ISO 639-2 Code) -million Years Ago |
| TCG | Trusted Computing Group - TÂrkiye Cumhuriyeti Gemisi |
| ACUF | BGN Advisory Committee On Undersea Features |
| PHL | Philippines (ISO 3166 Trigram) |
| ACDA | Arms Control & Disarmament Agency |
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