| Acronym | Meaning |
 | ATDRS | Advanced Tracking And Data Relay Satellite |
| SOFIA | Stratospheric Observatory For Infrared Astronomy |
| IRAF | Image Reduction And Analysis Facility |
| MOTV | Manned Orbital Transfer Vehicle |
| IGM | InterGalactic Medium |
| ESPC | European Space Power Conference |
| TCM | Trajectory Control Maneuver |
| BNSC | British National Space Centre |
| A&A | Astronomy And Astrophysics |
| SLS | Space(lab) Life Sciences |
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