| Acronym | Meaning |
| GU | Guam (postal Symbol; ISO 3166 Digram) |
| ZL | Zeptolitre |
| SNAP | SuperNova Acceleration Probe |
| B2E | Business-to-employee Electronic Commerce |
| TACP | Tactical Air Control Party - Technology Applications Certification Program |
| WTH | What The Hell |
| MAH | Marshallese Language (ISO 639-2 Code) |
| UNCSGN | United Nations Conference On The Standardization Of Geographical Names |
| CI | Chile (FIPS 10-4 Country Code) - C?te D'Ivoire (ISO 3166 Digram) -Counter-Intelligence |
| TRAC | (U.S. Army) TRADOC Analysis Center |