| Acronym | Meaning |
 | CCU | Communications Carrier Umbilical |
 | CFI | Card Format Identifier |
 | REM | Release Engine Module |
 | MICIS | Material Information Control And Information System |
 | OVCO | Operational Voice Communication Office |
 | OPS | Oxygen Purge System |
 | SEA | Silicon Elastimeter Ablator |
 | OLIF | Orbiter Landing Instrumentation Facilities |
 | MMU | Mass Memory Unit |
 | T | Temperature Rate |