| Acronym | Meaning |
| PP | Papua New Guinea (FIPS 10-4 Country Code) -Passage Point - Per Procurationem (Latin |
| BI | Burundi (ISO 3166 Digram) |
| SSK | Hunter-Killer Submarine (retired US Navy Hull Classification) |
| FCA | Fraction Of Combat Active Forces |
| RTL | See Entry |
| TUR | Turkish Language (ISO 639-2 Code) |
| KON | Kongo Language (ISO 639-2 Code) |
| SYR | Syria (ISO 3166 Trigram) |
| ROE | Rules Of Engagement |
| PES | PolyEtherSulfone |