| Acronym | Meaning |
| EXPS | Expanding Squares |
| NSO | Network Security Officer |
| XTI | X/open Transport Interface |
| MSSC | Medium Seal Support Craft (special Warfare) |
| DAC | Document Availability Code |
| TCR | Task Change Request (ntec-3930/25) |
| LCAC | Landing Craft, Air Cushion |
| ISLN | Isolation |
| DAMA | Demand Assigned Multiple Access (uhf Satellite) |
| NORPAX | North Pacific Experiement |