| Acronym | Meaning |
 | HAS | Holddown Alignment Support |
| CAPS | Crew Altitude Protection System |
| G | IWG Ground Interface Working Group |
| SCHED | Scheduled |
| CKRA | Cape Kennedy Reference Atmosphere (Changed To CCR |
| MMOS | Multimode Optical Sensor |
| EAT | Environmental Acceptance Test |
| TAG | Technical Air-to-Ground |
| SPND | Suspend |
| IPS | Inches Per Second |
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