| Acronym | Meaning |
| INSIDE | DiamInside Diameter |
| UMO | Unmanned Orbital |
| MFBP | Manufacturing Flow And Building Plan |
| ILS/LAR | IntegratedLogistics System And Logistics Assess |
| SF | Safe |
| FSS | Flight Support Station (for MMU) |
| MCC-DOD | Mission Control Center-DOD |
| SASTP | Stand-Alone Self-Test Program |
| SST | Single System Trainer |
| GETI | Ground Elapsed Time Of Ignition |