| Acronym | Meaning |
 | SAMS | Space Acceleration Measurement System |
| PDRS | Payload Deployment And Retrieval System |
| NTR | Nuclear Thermal Rocket(ry) |
| PEM | Particle Environment Monitor |
| RA | Right Ascension |
| STIKSCAT | Stick Scatterometer |
| ISO | Imaging Spectrometic Observatory |
| ESPC | European Space Power Conference |
| MODE | Middeck Zero-Gravity Dynamics Experiment |
| LAGEOS | Laser Geodynamics Satellite |
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