| Acronym | Meaning |
| CPCG | Commercial Protein Crystal Growth |
| SPAS | Space Pallet Satellite |
| OSC | Orbital Sciences Corporation |
| STSCI | Space Telescope Science Institute |
| AVHRR | Advanced Very High Resolution Radiometer |
| INMARSAT | International Maritime Satellite |
| ERS | Earth Resources Satellite |
| VECO | Vernier Engine Cutoff |
| HRI | High Resolution Imager |
| DDTE | Design |