| Acronym | Meaning |
 | MPSRON | Maritime Propositioning Ship Squadron |
| USD(A&T) | (U.S.) Under-Secretary Of Defense (Acquisition And Technology) |
| MX | Mail Exchange -Mexico (FIPS 10-4 Country Code; ISO 3166 Digram) -Missile EXperimental |
| RPN | Reverse Polish Notation |
| CSA | Canadian Space Agency - Canadian Standards Association - Child Support Agency - Command Staff Advisor - Community-supported Agriculture - Confederate States Of America - Corps Storage Area -Czech Airlines |
| NIDDK | National Institute Of Diabetes And Digestive And Kidney Diseases |
| GIS | Geographic Information System -Google Image Serach |
| FM | Fermium |
| JO | Jordan (FIPS 10-4 Country Code; ISO 3166 Digram) |
| EMO | Emergency Measures Organisation-Emotional |
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