| Acronym | Meaning |
| SDN | Sudan (ISO 3166 Trigram) |
| NAVFE | U.S. Naval Forces |
| SURTASS | Surveillance Towed Array Sensor System |
| SNP | Single Nucleotide Polymorphism |
| BI | Bismuth |
| MM | Millimetre |
| DMPA | (U.S.) Defense Medical Programs Activity |
| HEP | High-Explosive Plastic (ammunition) |
| MODEM | Modulator-Demodulator |
| WWWD | What Would Wellstone Do? (reference To The Late Minnesota Senator Paul Wellstone; See WWJD) |