| Acronym | Meaning |
| TAR | Test Agency Report |
| OPS | Oxygen Purge System |
| HSF | Hypergot Servicing Facility |
| SDG | Supplier Documentation Group |
| ERS | Entry And Recovery Simulation |
| LB | Low Bay |
| RPV | Remotely Piloted Vehicle |
| GSCU | Ground Service Cooling Unit |
| SIMAS | Shuttle Information Management Accountability |
| DAU | Data Acquisition Unit |