| Acronym | Meaning |
| BWC | Biological And Toxin Weapons Convention |
| NEO | Near-Earth Object - Non-combatant Evacuation Operations |
| ISSCR | International Society For Stem Cell Research |
| POP | Point Of Presence - Post Office Protocol - Progesterone Only Pill |
| RHU | Replacement Holding Unit |
| UESAC | Uppsala-ESO Survey Of Asteroids And Comets |
| BIST | Built-In Self-Test |
| PNH | Paroxysmal Nocturnal Hemoglobinuria - Police Nationale D'Ha?ti (French |
| RA | Rain (METAR Code) -Rear Area - Reinforced Alert - Republican Army - Right Ascension - Royal Artillery (UK) - Royal Academy |
| SNAFU | Situation Normal - All Fouled/Fucked Up |