| Acronym | Meaning |
| SGOS | Shuttle Ground Operations Simulation (Simulator) |
| SEM | System Engineering Management |
| DS& | R Data Storage And Retrieval |
| SP | Solar Physics |
| MPTA | Main Propulsion Test Article |
| VL | Expendable Vehicles (KSC VO Dir.) |
| MDT | Mountain Daylight Time |
| OIR | Operations IntegrationReview |
| VSA | Verification Site Approval |
| CAB | Cost Audit Board |