| Acronym | Meaning |
| PRBO | Point Reyes Bird Observatory |
| MJP | Military Judgement Panel |
| RPG | (US-CA) Regional Planning Group - Report Program Generator - Rocket Projectile Gun - Rocket-Propelled Grenade - Role-Playing Game |
| LLTR | Low-Level Transit Route |
| JCDB | Joint Common Data Base |
| HESH | High-Explosive |
| HIV | Human Immunodeficiency Virus |
| EF | Entry Foyer |
| PAA | Position Area For Artillery |
| FMCA | Federal Magistrates' Court Of Australia (used For Citing Decisions Of The FMC Other Than Family Law Decisions) |