| Acronym | Meaning |
| NARA | (U.S.) National Archives And Records Administration |
| RA | Radium |
| IMSA | Illinois Mathematics And Science Academy - International Mind Sports Association - International Motor Sports Association |
| LU | Loonatics Unleashed |
| IWW | Industrial Workers Of The World |
| SRC | Scheduled Removal Component |
| HKD | Hong Kong Dollar (ISO 4217 Currency Code) |
| WKYP | Will Keep You Posted |
| TACCO | Tactical Coordinator |
| WTC | World Trade Center |