| Acronym | Meaning |
| OSSA | Office Of Space Science And Applications |
| MACHO | MAssive Compact Halo Object |
| HSP | High Speed Photometer |
| UDMH | Unsymmetrical DiMethyl Hydrazine |
| DOD | Department Of Defense |
| ASCO | Arab Satellite Communications Organization |
| CFA | Harvard-Smithsonian Center For Astrophysics |
| FBV | Fuel Bleed Valve |
| UTC | Coordinated Universal Time |
| SMM | Solar Maximum Mission |