| Acronym | Meaning |
| DOL | Discrete Output Low |
| ORI | Operational Readiness Inspection |
| PHF | Payload Handling Fixture |
| PSE | Peculiar Support Equipment |
| STL | Space Technology Laboratories |
| W&C | Wire And Cable |
| TCMD | Transportation Control And Movement Document |
| OGE | OperatingGroundEquipment |
| GT | Ground Test |
| SMVRD | Shuttle Master Verification Requirements Document |