| Acronym | Meaning |
| HTPB | Hydroxyl Terminated Polybutadiene (Propellant) |
| INTRPT | Interrupt |
| SHUTDN | Shutdown |
| TPSE | Thermal Protection Subsystem Experiments |
| PDR | Preliminary Design Review |
| PD | Propellant Dispersal |
| FAR | Federal Aviation Regulation |
| HSD | Hamilton Standard Division |
| VCP | Vandenberg Contract Report |
| SCNR | Scanner |