| Acronym | Meaning |
| GCE | Part Of EUROTRAC |
| DOD | Digital Optical Disk |
| ISIS | International Satellites For Ionospheric Studies |
| SPEC | Strategic Planning And Evaluation Committee |
| ESRO | European Space Research Organization |
| STA | System Technology Associates |
| AIAIT | Army Intelligence And Threat Analysis Center |
| S&R | Search And Rescue |
| RAID | Redundant Arrays Of Inexpensive Disks |
| GED | Global Ecosystem Dynamics |