| Acronym | Meaning |
| LAAD | Los Angeles Aircraft Division (Rockwell) |
| SPRT | Sequential Probability Ratio Test |
| MP | Melting Point |
| PT | Pitch Trim |
| FBCS | Fixed Base Crew Station (SMS) |
| OMS | Orbital Maneuvering Subsystem |
| OPT | Optimum |
| CST | Crew Station Trainer |
| HMC | Hypergolic Maintenance And Checkout |
| PMT | Production Monitoring Test |