| Acronym | Meaning |
| E | LSCEarth Landing Sequence Controller |
| SEACF | Support Equipment Assembly And Checkout Facility |
| PORB | Production Operations Review Board |
| GETIL | Abort Burn) |
| LPS | Launch Processing System |
| VTS | Vertical Test System |
| PGSE | Payload Ground Support Equipment |
| R | LEO Request Liaison Engineering Order |
| UDB | Update Buffer |
| HFA | High Frequency Accelerometer |