| Acronym | Meaning |
| UB | UpUtility Bridge |
| GNCFTS | GNGNCFTSGN&C Flight Test Station |
| ACRC | Assured Crew Return Capability - Now ACRV |
| SPM | SubsystemProjectManager |
| MTEEC | Electronic Maintenance Test Equipment |
| NPSP | Net Positive Static Pressure |
| MAX | Maximum |
| IPS | IPSL Interface Problem Status Log |
| IP | Intermediate Pressure |
| ND | NASA Document |