| Acronym | Meaning |
| STD | S?o Tom? And PrĀncipe Dobra (ISO 4217 Currency Code) -Sexually Transmitted Disease |
| AK | Alaska (postal Symbol) |
| AGASA | Akeno Giant Air Shower Array (cosmic Ray Detector) |
| WIYN | Wisconsin Indiana Yale NOAO Telescope Consortium |
| GZ | Gaza Strip (FIPS 10-4 Territory Code) -Ground Zero |
| DIY | Do It Yourself |
| SCM | Surface Contamination Module |
| XVII | Seventeen (in Roman Numerals) |
| AGARDOGRAPH | Advanced Guidance For Alliance Research And Development Publication |
| MOC | Macedonian Orthodox Church - Measure Of Capability - Mission Operations Centre - My Own Creation (Lego) |