| Acronym | Meaning |
| NI | Nicaragua (ISO 3166 Digram) - Nigeria (FIPS 10-4 Country Code) |
| PNAC | Project For The New American Century |
| SOWHAT | RESNA Subcommittee On Wheelchairs And Transportation |
| CSAR | Combat Search And Rescue (seessar) |
| IA | Iowa (postal Symbol) |
| HZ | Haze (METAR Code) |
| MLLW | Mean Lower Low Water (nautical Charts) |
| GSD | Graphical Situation Display |
| MS | Megasecond |
| ASD(ISP) | (U.S.) Assistant Secretary Of Defense (International Security Policy) |