| Acronym | Meaning |
| GIS | Geographic Information Systems |
| WX | Weather |
| LLNL | Lawrence Livermore National Laboratory(ies) |
| SISP | Surface Imaging & Sounding Package |
| HARS | High-Altitude Route Structure Workstation |
| GEU | Gyro Electronics Unit |
| ICMUA | IAMAS Commission On The Meteorology Of The Upper Atmosphere |
| IMP | Interplanetary Monitoring Platform |
| CEA | Commissariat A |
| AMI-2 | Active Microwave Instrument 2 |