| Acronym | Meaning |
 | MZ | Mach-Zehnder (interferometer) -Magnetic Azimuth -Move |
| KERA | Kentucky Education Reform Act (of 1990) |
| NOMBO | Non-mine |
| TRAC | (U.S. Army) TRADOC Analysis Center |
| NHB | New Hebrides (ISO 3166 Trigram; Obsolete 1980) |
| RS | Russia (FIPS 10-4 Country Code) |
| CHE | Switzerland (ISO 3166 Trigram; From Latin Confoederatio Helvetica) |
| TADIL | Tactical Digital Information Link |
| MX | Mail Exchange -Mexico (FIPS 10-4 Country Code; ISO 3166 Digram) -Missile EXperimental |
| AJ | Azerbaijan (FIPS 10-4 Country Code) |
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