| Acronym | Meaning |
| NET | PositivNet Positive Suction Pressure |
| SCIU | Selector Control Interface Unit |
| TS | Time Scheduled |
| SMTAS | Shuttle Model Test And Analysis System |
| HFTS | Horizontal Flight Test Simulator |
| EL | Electromagnetic Interference |
| PT | Advanced Planning And Technology Office (KSC Dir.) |
| LC | Ion Chamber |
| K-MMSEPS | KSC MMSE Project Specification |
| LB | Launch Bus |