| Acronym | Meaning |
| SSI | Significant Structural Item |
| FSM | Fuel Supply Module |
| SD | LStandard Distribution List |
| PPS | Provisioning Performance Schedule |
| SSD | Spacecraft Software Division |
| T | Time |
| FCTS | Flight Crew Trainer Simulator |
| GIE | Ground Instrumentation Equipment |
| COMSAT | Communications Satellite |
| BLR | Boiler |