| Acronym | Meaning |
| UT | Unit Tester |
| EMCC | Emergency Mission Control Center |
| DRSS | Discrepancy Report SquawkSheet |
| RLY | Relay |
| CER | Cost Estimating Relationship |
| TCMD | Transportation Control And Movement Document |
| KGAL/MIN | Kilogallons Per Minute |
| COP | Contingency Operations Plan |
| FDS | Flight Dynamics Software/System |
| MGT | Major Ground Test |