| Acronym | Meaning |
| FMAHTS | Flight Manifest And Hardware Tracking System |
| SES | Shuttle Engineering Simulation |
| UDL | Updata Link |
| SHS | Simulation Hardware System |
| LSSM | Launch Site Support Manager |
| SSPD | Shuttle System Payload Data |
| CER | Cost Estimating Relationship |
| EOP | Experiments Of Opportunity |
| CTA | Computer Technology Associates (GSFC) |
| TDRS | Tracking And Data Relay Satellite |