| Acronym | Meaning |
 | OLSA | Orbiter/LPS Signal Adapter |
| TET | Test Evaluation Team |
| IPACS | Integrated Power And Attitude Control System |
| PDU | Power Drive Unit |
| RECS | Representative Shuttle Environmental Control System |
| CWE | Caution And Warning Electronics |
| NB | Navigation Base |
| JTA | Job Task Analysis |
| WWMS | Waste Water Management System |
| CALC | Calculate |
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