| Acronym | Meaning |
| RPT | Resident Provisioning Team |
| PSI | Pounds Per Square Inch |
| ISIL | Interim Support Items List |
| LE | LauLeading Edge |
| ESA | Engineering SuPPort Assembly |
| IASS | Inverter/ATCS Support Structure |
| FUB | Forward Utility Bridge |
| DBCI | DB With Respect To A Circular Polarized Antenna |
| LPFT | Low-pressure Fuel Turbopump |
| MCP | Master ComputerProgram |