| Acronym | Meaning |
| SIXA | Silicon X-ray Array |
| OCGF | Organic Crystal Growth Facility |
| GEO | Geosynchronous Earth Orbit |
| CCAFS | Cape Canaveral Air Force Station |
| FIR | Far InfraRed |
| SLF | Shuttle Landing Facility |
| ASP | Astronomical Society Of The Pacific |
| OMB | Office Of Management And Budget |
| ARC | Ames Research Center (NASA) |
| IOTA | Infrared-Optical Telescope Array |