| Acronym | Meaning |
 | PNP | Prenegotiation Position |
| PTIS | Program Test Input System |
| ASP | Attitude Sensor Package |
| MFMR | Multifrequency Microwave Radiometer |
| IDMM | Intermediate And Depot Maintenance Manual |
| RTCS | Real-Time Computer System |
| GSSA | Ground Support Systems Activation |
| LOB | Left Outboard |
| SP-LMO | Logistics Management Office (KSC) |
| NVB | Navigational Base |
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