| Acronym | Meaning |
 | PORR | Preliminary Operat Ons Requirements Review |
| NTS | Not To Scale |
| CLASS | Classification |
| VTS | Vandenberg Tracking Station |
| BER | Bit Error Rate |
| MBK | Medications And Bandage Kit |
| RMRS | Repeatable Maintenance And Recall System |
| SKD | Singer |
| EVA | Extravehicular Activity |
| NNI-I | NASA Standard Initiator-Type I (was SMSI) |
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