| Acronym | Meaning |
| FIV | Fuel Isolation Valve |
| ACTS | (TOS) Advanced Communications Technology Satellite |
| HEMI | Hemispherical (S-Band Antenna) |
| TF | Test Facility |
| SRSR | Schedule And Resources Status Report |
| EDDR | Electron DiPole-DiPole Reservoir |
| NSR2 | Second Coelliptic Maneuver |
| LV | Limit Value |
| GETS | Ground Equipment Test Sets |
| EOC | Engine-out Capability |