| Acronym | Meaning |
| TCU | Texas Christian University |
| DU | Depleted Uranium -Dust (METAR Code) |
| PFP | Partnership For Peace |
| WACC | Weighted Average Cost Of Capital (accounting) |
| ND | Non-Disclosure -North Dakota (postal Symbol) |
| NEPA | National Environmental Policy Act |
| ASD(S&TR) | (U.S.) Assistant Secretary Of Defense (Strategy & Threat Reduction) |
| FZRA | Freezing Rain (METAR Code) |
| OSE | Own Separate Entrance |
| AY | Antarctica (FIPS 10-4 Territory Code) |