| Acronym | Meaning |
| CLAES | Cryogenic Limb Array Etalon Spectrometer |
| SDSS | Sloan Digital Sky Survey |
| CASSINI | Saturn Orbiter And Titan Probe |
| EDOMP | EDO Medical Project |
| UARS | Upper Atmosphere Research Satellite |
| OTHB | Over The Horizon Backscatter |
| MMCC | Mission Management And Control Centre |
| OSSA | Office Of Space Science And Applications |
| ASRM | Advanced Solid Rocket Motor |
| WFPCII | Replacement For WFPC |