| Acronym | Meaning |
| MLS | Microwave Limb Sounder |
| MARS | Series Of Soviet Mars Spacecraft |
| VAB | Vehicle Assembly Building |
| SMC | Small Magellanic Cloud |
| NIST | National Institute For Standards And Technology |
| FBV | Fuel Bleed Valve |
| TDRS | Tracking And Data Relay Satellite |
| OV | Orbital Vehicle |
| ESTEC | European Space Research And Technology Centre |
| EJASA | Electronic Journal Of The Astronomical Society Of The Atlantic |