| Acronym | Meaning |
| MDAC | McDonnell Douglas Astronautics Company |
| UF | Microfarad |
| ROLL | Roll Angle |
| SODS | Skylab Orbit-Deorbit System |
| PPC | Phased Provisioning Code |
| OPBOV | Oxidizer Preburner Oxidizer Valve |
| RS | Redundant Set |
| SUMC | Space Ultrareliable Modular Computer |
| RATCC | Radar Air Traffic Control Center |
| SOCH | Spacelab Orbiter Common Hardware |