| Acronym | Meaning |
| IMO | In My Opinion - International Maritime Organization |
| SESSPE | Submarine Escape And Surface Survival Personnel Equipment |
| LAMP | Linux |
| PRK | Democratic People's Republic Of Korea (ISO 3166 Trigram) |
| PDRY | People's Democratic Republic Of Yemen (obsolete Since 1990) |
| PETP | PolyEthyleneTerePhthalate |
| HALO | High Altitude Low Opening (parachute Jump) |
| BDU | Battle-Dress Uniform |
| RKBA | Right To Keep And Bear Arms (Second Amendment To The United States Constitution) |
| IPTS | Institute For Prospective Technological Studies |