| Acronym | Meaning |
| OC | On-Condition |
| HIP | Hardware Interface Program |
| SE/FAC | Support Eq Uipm Ent/Facility |
| NZ | Normal Acceleration |
| PCR | Publication Change Request |
| SRH | Subsystems Requirements Handbook |
| PSS | Propellant Supply Subsystem |
| CP | Console Processor |
| CPCR | Crew Procedures Change Request (Form 482) |
| THOUS | Thousarid |