| Acronym | Meaning |
| DD | Mechanical And Facilities Engineering (KSC DE Dir.) |
| TSSU | Test Signal Switching Unit |
| GSFC | Goddard Space Flight Center |
| TDY | Temporary Duty |
| EIU | Engine Interface Unit |
| K-STSN | KSC STS Notice |
| ORE | On-Orbit Repair Experiment |
| VPM | Vehicle ProjectManager |
| TACAN | Tactical Air Command And Navigation System |
| SMMD | Specimen Mass Measurement Device |