| Acronym | Meaning |
| DVT | Design Verification Testing |
| MPS | Materials Processing In Space |
| MILS | Missile Impact Location System |
| DPI | Detail Program Interrelationships |
| LO2 | Liquid Oxygen |
| SSD | System Summary Display |
| ONBT | Orbiter Neutral Buoyancy Trainer |
| MEIG | Main Engine Ignition |
| DM | DeveloPment Motor |
| RSDP | Remote Site Data Processor |