| Acronym | Meaning |
| SRM | Solid Rocket Motor |
| LST | Liquid Storage Tank |
| COMSEC | Communications Security |
| SRDH | System Requirements Definition Handbook |
| MRL | Manipulator Retention Latch |
| EL | MECH Electromechanical |
| BRAVO | Business Risk And Value Of Operation In Space |
| OPR | Office Of Primary Responsibility |
| CSAS | ComPuterized Status Accounting System |
| ITS | Interim Teleprinter System |