| Acronym | Meaning |
| LP | Liquid Propellant |
| SPC | Stored Program Command |
| NH3 | ANH3 Ammonia |
| SOP | Systems Operation Plan |
| VT | Vent |
| MDS | Master Development Schedule |
| ERTS | Earth Resources Technology Satellite |
| CIF | Central Instrumentation Facility |
| SOMS | Shuttle Orbiter Medical System |
| EDS | Electrical Distribution System |