| Acronym | Meaning |
 | GLAADS | Gun Low Altitude Air Defense System |
| CE | Civil Engineering |
| FWWM | Food |
| PTC | Passive Thermal Control |
| PIPA | Pulse Integrating Pendulum Assembly |
| EXTER | External |
| TVCD | Thrust Vector Control Driver |
| NNI-I | NASA Standard Initiator-Type I (was SMSI) |
| IPC | Intermittent Positive Control |
| GCF | Ground Communications Facility |
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