| Acronym | Meaning |
| MEP | Minimum Entry Point |
| MYTA | MMYTAMaintainability Task Analyses |
| RRT | Rendezvous Radar Transponder |
| ML | PED Mobile Launcher Pedestal |
| MCP | Master ComputerProgram |
| FTIS | Flight Test Instrumentation System |
| SSC | Shuttle System Contractor |
| STD | LStandard Distribution List (letter Denoting Which List |
| IVT | Intervehicular Transfer |
| SR | Shift Register |