| Acronym | Meaning |
| BP | Caution And Warning |
| DOH | Discrete Output High |
| PTO | Participating Test Organizations |
| SSPS | Space Shuttle Program Schedule |
| PRCBD | ProgramReview Control Board Directive |
| ROC | Record Of Comments |
| PSSU | Patch Survey And Switching Unit |
| SCC | Standard Cubic Centimeters |
| GOMMS | GrGOMMSGround Operations And Material Management System |
| FLT | Floating |