| Acronym | Meaning |
 | PDRL | Procurement Data Requirements List |
| MDTSCO | McDonnell Douglas Technical Services Company |
| NHB | NNHB NASA Handbook |
| LIN | Liquid Nitrogen |
| SPN | Shuttle Project Notice (KSC) |
| ESS | Environmental Support System |
| COP | Contingency Operations Plan |
| OIS | Orbiter Instrumentation Systems |
| CICU | Computer Interface Conditioning Unit |
| MCC-DOD | Mission Control Center-DOD |
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