| Acronym | Meaning |
| MTTE | Mean Time To Exchange |
| CIRHS | Critical Items And Residual Hazards List |
| R | Rankine |
| RANN | Research Applied To National Needs |
| CC | Cost Center |
| MSU | Mass Storage Unit |
| IPS | Interrange Instrumentation Group |
| K-SPN | KSC Shuttle Project Notice |
| PSIA | Pounds Per Square Inch Absolute |
| PCOT | Payload Center Operations Team |