| Acronym | Meaning |
 | FFD | FixedFormatDisplay |
 | CVR | Configuration Verification Review |
 | RTC | Real-time Command |
 | MPHE | Material And Personnel Handling EqLjipment |
 | I | LCCS Integrated Launch Control And Checkout System |
 | DME | Distance-measuring Equipment |
 | SLS | Statement Level Simulator |
 | EXP | Experiment |
 | IPL | Initial Program Load |
 | PS | Prime Select |