| Acronym | Meaning |
| PO | Personnel Office (KSC Directorate) |
| UCC | Universal Checkout Console |
| SIR | Systems Integration Review |
| PTCS | Propellant Tanking Computer System |
| ICO | Integrated Checkout |
| SA | Subaccount |
| DMIA | Dual Multiplexer Interface Adapter |
| ADSF | Advanced Directional Solidification Furnace |
| SMCH | Standard Mixed Cargo Harness |
| O&C | Operation And Checkout |