| Acronym | Meaning |
| ASCII | American Standard Code For Information Interchange |
| K-IUSM | KSC IUS Plan/Requirement |
| CW | Continuous Wave |
| IGM | Interactive Guidance Mode |
| HPS | Hydraulic Power SYstem |
| CES | Crew Escape System |
| PMI | Principal Maintenance Inspector |
| CL | Closed Loop Contro! Logic |
| LCOM | Logic Control OutPut Module |
| VA/T/VTA | Vibro-Acoustic/Thermal/Vacuum Test Article |