| Acronym | Meaning |
| NVAFB | North Vandenberg Air Force Base |
| SSUS-A | SSUS For Atlas-Centaur Class Spacecraft |
| RSF | Refurbishment And Subassembly Facility (KSC) |
| GCS | Ground Communications System |
| SCM | System Control Module |
| TL | Thrust Level |
| SE&I | SYstems Engineering And Integration |
| IPS | Interface Problem Sheets |
| CACB | Center Aisle Connector Bracket |
| HECV | Helium Check Valve |