| Acronym | Meaning |
| SDRL | Supplier Data Requirements List |
| CSIU | Core Segment Interface Unit |
| DDTS | Dynamic Docking Test System |
| SLAC | Stanford Linear Accelerator Center |
| TCD | Test Control Document |
| NZ | Normal Acceleration |
| PDC | Procurement Document Change |
| ACRC | Assured Crew Return Capability - Now ACRV |
| PMC | Procurement Method Code |
| SIG | Signal |