| Acronym | Meaning |
| V/V | Validation And Verification (also V&V) |
| HCF | High Cycle Fatigue |
| GSTDN | Ground Spacecraft Tracking And Data Network |
| JCT | Junction |
| PETS | POCC Experiments Timeline System (GDSD And Spacelab |
| OUT | Output |
| MECR | Maintenance Engineering Change Request |
| K-STSN | KSC STS Notice |
| MPCA | Mid Power Controller Assembly |
| CDF&TDS | Circuit Design |