| Acronym | Meaning |
| IPB | Illustrated Parts Breakdown |
| DC | DCASData Collection And Analysis System |
| NORMAL | LoadNormal Load Factor (g) |
| CIDR | Critical Intermediate Design Review |
| PREL | Preliminary |
| DISTR | Digital Interface Unit |
| SSO | Space Shuttle Orbiter |
| VRCS | Vernier Reaction Control System |
| PAR | Planning Action Request |
| SDRB | SUPPlier Documentation Review Board |