| Acronym | Meaning |
| COBOL | Common Business Oriented Language |
| SR | Shift Register |
| PGSE | Payload Ground Support Equipment |
| MPL | Maintenance Parts List |
| WCCU | Wireless Crew Communication Unit |
| T/R | Technical Report |
| HSF | Hypergot Servicing Facility |
| SSDD | Software System Design Document |
| SAVER | Shuttle Avionics Verification And Evaluation |
| PLISN | Provisioning List Item Sequence Number |