| Acronym | Meaning |
 | FNT | Failure Notification Telex |
| DRS | Digital Range Safety |
| FDLN | Feedline |
| O/V-U/V | Over Voltage/Under Voltage |
| MSC | Master Sequence Controller |
| OOS | On-Orbit Station |
| NORAD | North American Air Defense Command |
| COS | Cosine |
| MPI | Mission Payload Integration |
| DS& | R Data Storage And Retrieval |
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