| Acronym | Meaning |
| SAR | Search And Rescue / Synthetic Aperture Radar |
| RASC | Royal Astronomical Society Of Canada |
| CRAF | Comet Rendezvous/Asteroid Flyby |
| CTIO | Cerro Tololo Interamerican Observatory |
| HPOTP | High Pressure Oxidizer Turbopump |
| IFEA | Integrated Furnace Experiment Assembly |
| GRU | Glavnoye Razvedivatel'noye Upravileniye |
| IOTA | Infrared-Optical Telescope Array |
| SOFIA | Stratospheric Observatory For Infrared Astronomy |
| HRSR | High-Resolution Scanning Radiometer |