| Acronym | Meaning |
| OTFE | Oscillatory Thermocapillary Flow Experiment |
| NERVA | Nuclear Engine For Rocket Vehicle Application |
| PCG | Protein Crystal Growth Experiment |
| ALEXIS | Array Of Low Energy X-ray Imaging Sensors |
| MOC | Mars Observer Camera |
| RTLS | Return To Launch Site |
| SSPS | Sky Survey Prototype System |
| CNES | Centre National D'Etude Spatiales |
| IFEA | Integrated Furnace Experiment Assembly |
| IOTA | International Occultation Timing Association |