| Acronym | Meaning |
| PDP | Procurement Data Package |
| DC | Distribution Control Assembly |
| PBM | Program Business Management |
| DUC | Digital Uplink Command |
| CPT | Computer Program Tapes |
| DIDS | Defense Integrated Data System |
| HRDS | High Rate Data Station |
| PAM | Pulse Amplifier Modulation |
| OCDU | Optics Coupling Data Unit (G&N) |
| COSATI | Committee On Scientific And Technical Information |