| Acronym | Meaning |
| HMCF | Hypergolic Maintenance And Checkout Facility |
| LSA | Launch Services Agreement |
| LEH | Launch/Entry Helmet |
| HMF | Horizontal Mating Facility |
| POV | Peak Operating Voltage |
| BP | C/PCold Plate |
| OSOP | Orbiter Systems Operating Procedures |
| D&P | Drain And Purge |
| RTO | Responsible Test Organization |
| DRO | Document Release Order |