| Acronym | Meaning |
 | RH | Rhodium |
| EMD | Electro-Motive Diesel - Engineering And Manufacturing Development - European Missile Defence |
| DISA | U.S. Defense Information Systems Agency |
| PCB | See Entry |
| AHCPR | Agency For Health Care Policy And Research (obsolete; Replaced With AHRQ) |
| PLUTO | Pipe Line Under The Ocean |
| MPAA | Motion Picture Association Of America |
| RN | Royal Navy |
| WZ | Swaziland (FIPS 10-4 Country Code) |
| TUV | Tuvalu (ISO 3166 Trigram) |
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