| Acronym | Meaning |
| DADS | Dual Air Density Satellite |
| NAM | National Association Of Manufacturers |
| IAS | Integrated Avionics System |
| RCVR | Receiver |
| PCP | Project Cost Plan |
| DDDL | Digital Data Downlink |
| PTP | Point-to-Point Phone(s) |
| M&M | Materials And Maintenance |
| GECALL | GCOS Program Element Name |
| GAIN | Graphic Aids For Investigating Networks |