| Acronym | Meaning |
| SSSA | Systems Software Support Activity |
| NRL | Navy Research Laboratories |
| EMC | Electromagnetic Compatibility |
| PPC | Powerplant Change (tdc 02) |
| AF | Air Force |
| DCT | Damage Control Tpnr (trident-21c11) |
| EI | Engineering Information |
| P1175 | A Std Ref Model For Computing System Tool Interconnection |
| BIU | Bus Interface Unit |
| CCL | Command And Control Lab |