| Acronym | Meaning |
 | CWS | Caution And Warning Status |
 | LDIU | Launch Data Interface Unit |
 | DCS | Document Control System |
 | VIC | Visitors Information Center |
 | K-STSN | KSC STS Notice |
 | DME | Distance Measur Ng EquiPment |
 | MSC | Master Sequence Controller |
 | SMSI | Standard Manned Space Flight Initiator |
 | DEACT | Deactivate |
 | SSC | Single-Stage Command |