| Acronym | Meaning |
| CS | Control Segment |
| MVT | Mission Verification Test |
| GW | Gross Weight |
| S-N | Stress Number |
| T/R | Transportation Request |
| LCHTF | LowCYcle High Temperature Fatigue |
| DML | Developmental Instrumentation MDM-Left |
| SSS | Stage Separation Subsystem |
| SPT | Support |
| MEM | Module Exchange Mechanism |