| Acronym | Meaning |
| WWF | World Wildlife Fund - World Wrestling Federation |
| HIPPARCOS | HIgh Precision Parallax COllecting Satellite |
| MN | Mongolian Language (ISO 639-1 Code) |
| MORS | Military Operations Research Society |
| FF | Femtofarad |
| HUHA | Head Up His/her Ass (Marine Salute; Probably A Backcronym) |
| MRS | Magnetic Resonance Spectroscopy |
| AAAV | Advanced Amphibious Assault Vehicle |
| HMS | Helmet-mounted Display - Her Majesty's Ship (Royal Navy) |
| CAV | Cavalry |