| Acronym | Meaning |
| MF | Major Function |
| GSVP | Ground Support Verification Plan |
| SH2 | Supercritical Hydrogen |
| PD&RS | Payload Deployment And Retrieval Subsystem |
| SEO | Special Engineering Order |
| NMT | Not More Than |
| CMSI | Checkout/Control And Monitor Subsystem Interface |
| NPL | Normal Power Level (see RPL) |
| DBGMP | Data Bus Generation And Maintenance Package |
| R | ETSReconfiguration Electrical Test Stand |