| Acronym | Meaning |
| DEG | Degree |
| FRT | Flight Readiness Training |
| ORR | Operational Readiness Review |
| STP | Space Test Program |
| DRL | Data Requirements List |
| OR | Oxygen Relief |
| CCA | Contract Change Authorization |
| OFM | Original Equipment Manufacturer |
| C | OfF Cost Of Facilities |
| TTCA | Thrust Translation Controller Assembly |