| Acronym | Meaning |
| NOCC | Network Operations Control Center |
| EOS | Electrophoresis Operations In Space |
| HST | Hubble Space Telescope |
| TRMM | Tropical Rainfall Measuring Mission |
| IOTA | International Occultation Timing Association |
| POCC | Payload/Platform Operations Control Center |
| NDV | NASP Derived Vehicle |
| AOA | Abort Once Around (shuttle Abort Plan) |
| HRI | High Resolution Imager |
| HIRS | High Resolution Infrared Radiation Sounder |