| Acronym | Meaning |
| HEO | Highly Elliptical Orbit |
| MZN | Mozambique Metical (ISO 4217 Currency Code) |
| APP | Allied Procedural Publication |
| PTAN | Precision Terrain Aided Navigation |
| KCL | King's College London |
| EF | Entry Foyer |
| QA | Qatar (FIPS 10-4 Country Code; ISO 3166 Digram) |
| AEQ. | Aequalis (Latin |
| AK | Attokelvin |
| VANOS | Variable Nockenwelle System |