| Acronym | Meaning |
 | IIS | Joint Integrated Simulation |
| SEB | SYstems Engineering Branch |
| PETS | P/L Experiment Test System (KSC) |
| VAK | Vertical Assembly Kit |
| FB | Final Braking |
| OPI | Orbiter Payload Interrogator |
| KM | Kilometers |
| CTPD | Crew Training And Procedures Division (JSC) |
| DOA | DePartment Of Agriculture |
| HDST | Headset |
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