| Abbreviation | Definition |
|---|---|
| NGB-OC | National Guard Bureau - Office of The Chaplain |
| NGCS | NATO General-purpose segment Communication System |
| NGEG | Naural Gas Emergency Generator |
| N-GEN | Noise GENerator |
| NGF | Naval Gun Fire |
| NGF | Naval Gunfire |
| NGFS | Naval GunFire Support |
| NGFSM | Naval GunFire Support Mission |
| NGIC | National Ground Intelligence Center |
| NGIS | Navy Gateway Inns and Suites |
| NGLO | Naval Gunfire Liaison Officer |
| NGMS | National Guard Military School |
| NGO | Non Governmental Organization |
| NGO | Nongovernmental Organization |
| NGP | National Geospatial-Intelligence Agency Program |
| NGP | National Guard Pennsylvania |
| NGR | National Guard Regulation |
| NGRF | National Guard Reaction Force |
| NGS | Non-Government Standards |
| NGS | Non-Governmental Software |