| Acronym | Meaning |
| MCCC | Mission Control And Computing Center |
| TS | Technical Support (KSC Directorate) |
| SM | Short Module |
| SSM | BSpace Shuttle Maintenance Baseline |
| LCA | Load Controller Assembly |
| OTO | One-Time-Only |
| ACRC | Assured Crew Return Capability - Now ACRV |
| FLSC | Flexible Linear Shaped Charge |
| GPS | Global Positioning System |
| CEI | Contract End Item |