| Acronym | Meaning |
 | ATACMS | Army TACtical Missile System |
| ZS | Zeptosecond |
| PDU | Police Dog Unit - Power Distribution Unit - Protocol Data Unit |
| CIR | Corotating Interaction Region |
| MR | ATGW -Medium-Range Anti-Tank Guided Weapon |
| SUB | Student Union Building |
| OHSS | Ovarian Hyperstimulation Syndrome |
| MU | Mauritius (ISO 3166 Digram) - Oman (FIPS 10-4 Country Code; From Muscat) |
| SLB | Solomon Islands (ISO 3166 Trigram) |
| AXP | Ambulance EXchange Point |
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