| Acronym | Meaning |
| CTA | Controlled ThrustAssembly |
| SF | Safe |
| PM | Performance Monitor |
| SEA | Scanning Electrostatic Analysis |
| SEC | Source Evaluation Committee |
| CIR | Configuration Inspection Report |
| DSB | Document Status Bulletin |
| TFCS | Triplex Flight Control System (Subsystem) |
| VI | Internal Velocity |
| CLR | Clear |