| Acronym | Meaning |
| ME | Miscellaneous Equipment |
| EVF | Equipment Visibility File |
| SSO | Space Shuttle Orbiter |
| RFP | Requirements And Formulation Phase |
| HAL | High Order Articulated Language |
| G&C | Guidance And Control |
| GPS | Global Positioning Satellite |
| CCS | Command And Communication System |
| R | Receive |
| SPAF | Simulation Processor And Formatter |