| Acronym | Meaning |
| M | Mega |
| UA | Microampere |
| S | Side |
| PAT | Production Acceptance Test |
| OF | Outside Face |
| QPR | Quarterly Progress Report |
| PF | Payload Operational Instrumentation MDM-FWD |
| L | Length |
| BSRM | Booster Solid Rocket Motor |
| G-11 | Gulfstream 11 (Shuttle Training Aircraft) |