| Acronym | Meaning |
| CMB | Cosmic Microwave Background |
| TPCE | Tank Pressure Control Experiment |
| LN2 | Liquid Nitrogen |
| EURECA | European Retrievable Carrier |
| TAI | International Atomic Time |
| DARA | Deutsche Agentur Fuer Raumfahrtangelegenheiten |
| LAGEOS | Laser Geodynamics Satellite |
| NAS | Numerical Aerodynamic Simulation |
| VS | SNGVooruzhennikh Sil SNG |
| IOC | In-Orbit Checkout And Calibration |