| Acronym | Meaning |
| CIT | Circumstellar Imaging Telescope |
| MMPO | Mission Management And Planning Office |
| HRI | High Resolution Imager |
| JAEL | JSC Avionics Engineering Laboratory |
| WFPCII | Replacement For WFPC |
| DOMSAT | Domestic Satellite |
| SAMS | Space Acceleration Measurement System |
| NSF | National Science Foundation |
| LGA | Low Gain Antenna |
| CFRP | Carbon Fibre Reinforced Plastic |