| Acronym | Meaning |
| SSCHS | Space Shuttle Cargo Handling System |
| SPIF | Shuttle Payload Integration Facility |
| GCTS | Ground Communication(s) Tracking System |
| DOS | Disk Operating System |
| PRSD | Power Reactant Supply And Distribution |
| OTL | Ordnance Test Laboratory |
| PCCP | Preliminary Contract Change ProPosal |
| GETIL | Abort Burn) |
| HSL | Hardware Simulation Laboratory |
| CFRP | Carbon Fiber Reinfr- |