| Acronym | Meaning |
| SOFIA | Stratospheric Observatory For Infrared Astronomy |
| TCS | Thermal Control System |
| RCS | Reaction Control System / Revision Control System |
| CYSF | Cape York Space Facility |
| AIAA | American Institute Of Aeronautics And Astronautics |
| HRMS | High Resolution Microwave Survey |
| LFC | Large Format Camera |
| SWLC | Salt Water Leak Check |
| TSS | Targeted Search System / Tethered Satellite System |
| VLBI | Very Long Baseline Interferometry |