| Acronym | Meaning |
| MOPS | Mission Operations Planning System |
| STU | Special Test Unit |
| HIPO | Hierarchy Plus InPut/Process/Output |
| MIS | Manipulator Jettison System (Subsystem) |
| PCIN | Program Change Identification Number |
| VISC | Viscosity |
| ME | Management Engineering |
| SD | LStandard Distribution List |
| CAP | Computer Application Program |
| EIU | Engine Interface Unit |