| Acronym | Meaning |
| FCCP | Firm Contract Cost ProPosal |
| SRDH | Subsystems Requirement Definition Handbook |
| PFL | Primary Freon Loop |
| FTA | Fatigue Test Article |
| TC | Test Conductor (Controller) |
| PTC | Portable Temperature Controller |
| RPP | Reinforced Pyrolytic Plastic |
| DP | Double Pole |
| FPR | Flight Performance Reserve |
| PTD | Provisioning Technical Documentation |