| Acronym | Meaning |
| WCCU | Wireless Crew Communication Unit |
| MSL | Mechanical System(s) Laboratory |
| PMP | Performance Management Package |
| CUM | Cumulative |
| CDC | Confined Detonating Cord |
| FEID | Functional Engineering Interface Device |
| IPS | ISD Instructional Systems DeveloPment (USAF) |
| SCA | Sequence Control Assembly |
| FDS | Flight Dynamics Software/System |
| SPLX | Simplex |