| Acronym | Meaning |
 | EGF | Electrical |
| ECLSS | Environmental Control And Life Support System |
| CTA | Computer Technology Associates (GSFC) |
| PCI | Program Control Input |
| MSU | Mass Storage Unit |
| ORT | Operational Readiness Test |
| FCA | Forward Controller Assembly |
| POV | Pneumatic Operated Valve |
| EDLN | Engineering DeveloPment Logic Network |
| SMM | Solar Maximum Mission |
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