| Acronym | Meaning |
| PRSD | Power Reactant Storage And Distribution |
| F&E | Facility And Envii-onment |
| UL | Upper Left (S-Band Antenna) |
| TOW | Tank And Orbiter Weight |
| SERB | Systems Engineering Review Board |
| CSR | Crew Station Review |
| COSI | Closeout System Installation |
| PMI | Preventive Maintenance Inspection |
| SIS | Software Integrated Schedule |
| MDC | Mission Director Center |