| Acronym | Meaning |
 | I2WD OR I?WD | U.S. Intelligence And Information Warfare Directorate (CERDEC) |
| MI | Malawi (FIPS 10-4 Country Code) - Michigan (postal Symbol) - Midway Islands (ISO 3166 Digram; Obsolete 1986) -Military Intelligence |
| ELL | Greek Language (ISO 639-2 Code) |
| SCAP | Supreme Commander Allied Powers (Allied Occupation Of Japan) |
| WA | Namibia (FIPS 10-4 Country Code; From West Africa) - Washington State (postal Symbol) - Western Australia (postal Symbol) |
| BGS | Bristol Grammar School - British Geographical Survey |
| HEER | High-Explosive Extended Range (ammunition) |
| GZK | Greisen-Zatsepin-Kuzmin Cut-off (cosmic Ray Energies) |
| COMSEC | Communications Security (military) |
| EPIRB | Emergency Position Indicating Radio Beacon |
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