| Acronym | Meaning |
| CLRB | Cost Limit Review Board |
| LOC | Location |
| DD | Data Display |
| IOC | Initial Operational Capability |
| SLAR | Side Looking Airborne Radar |
| ICAO | International Civil Aviation Organization |
| ECLS | Environmental Control And Life Support |
| ESS | Experiment Subsystem Simulator |
| PVRO | Pyrotechnics |
| MB | Main Bus |