| Acronym | Meaning |
| AFS&A OR AFSA | U.S. Air Force Studies And Analysis |
| SWT | Sea Water Tank |
| ZM | Zettametre |
| HD | Henry Draper (star Catalogue) - Hull-Down (armoured Vehicle Target |
| KO | Knocked Out |
| SWAT | Special Weapons And Tactics |
| HRK | [[Croatian Kuna (ISO 4217 Currency Code) |
| QUIET | Q And U Imaging ExperimenT (Q And U Are The Stokes Parameters Of The CMBR Polarization) |
| JROCM | JROC Memorandum |
| VLSI | Very-large-scale Integration |