| Acronym | Meaning |
| MTBMA | Mean Time Between Maintenance Action |
| VA/T/VTA | Vibro-Acoustic/Thermal/Vacuum Test Article |
| SCMB | Development Configuration Management Board |
| PCC | Pad Control Center |
| INTERFACE | CInterface Control Unit |
| IV | Interior Upper Stage |
| CSCB | Contractor's Summary Cost Breakdown |
| LLCF | Launch And Landing Computational Facilities |
| SSPD | Shuttle System Payload Data |
| KHB | KSC Handbook |