| Acronym | Meaning |
| PLN | Platoon |
| CJ | Cayman Islands (FIPS 10-4 Country Code) -Criminal Justice |
| SYC | Seychelles (ISO 3166 Trigram) |
| NNSA | U.S. National Nuclear Security Administration |
| CDMSII | Cryogenic Dark Matter Search II |
| ASEAN | Association Of South East Asian Nations |
| UAV | Unmanned Aerial Vehicle - Unprotected Anal And Vaginal Sex |
| KARNAC | Knowledge Aided Retrieval In Activity Context |
| NCIS | National Criminal Intelligence Service (British) - Naval Criminal Investigative Service (U.S. Navy) |
| YK | Yottakelvin |