| Acronym | Meaning |
| HRAA | High Rate Acquisition Assembly |
| FDR | Functional Design Review |
| WCCU | Wireless Crew Communication Unit |
| PT | Advanced Planning And Technology Office (KSC Dir.) |
| SFDS | System Functional Design Specification |
| W | Window |
| PS | Parachute Subsystem |
| PFL | Primary Freon Loop |
| FLSC | Flexible Linear Shaped Charge |
| VFI | Verification Flight Instrumentation |