| Acronym | Meaning |
 | OSTS | Office Of Space Transportation Systems |
| PIA | Preinstallation Acceptance |
| OPF | Orbiter Processing Facility |
| PT | Point |
| MPD | Maximum Permissible Dose |
| NTS | Not To Scale |
| I | LCCS Integrated Launch Control And Checkout System |
| SEL | Select |
| LS/ST | Light Shield/Star Tracker |
| VAB | Vehicle Assembly Building |
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