| Acronym | Meaning |
| DY | Deputy Director (KSC Directorate) |
| MAT | Matrix |
| GCOS | General Computer Operational System |
| PDRD | Procurement Data Requirements Document |
| SOL | Solar |
| OUP | OFS UPlink Processor |
| EPDCS | Electrical Power Distribution And Control System |
| E/W | Energy To Weight Ratio |
| RIC | Resistance Inductance And Capacitance |
| CISS | Centaur Integrated Support Structure |