| Acronym | Meaning |
| NCB | National Codification Bureau |
| JFACTSU | U.S. Joint Forward Air Control Training And Standards Unit |
| EDECSIM | Extended Directed Energy Combat Simulation |
| RPG | (US-CA) Regional Planning Group - Report Program Generator - Rocket Projectile Gun - Rocket-Propelled Grenade - Role-Playing Game |
| BYOF | Bring Your Own Flask |
| WFP | World Food Program |
| RISD | Rhode Island School Of Design (riz-dee) |
| YL | Yottalitre |
| PR | Praseodymium |
| MO | Moldovan Language (ISO 639-1 Code) |