| Acronym | Meaning |
 | PDU | Police Dog Unit - Power Distribution Unit - Protocol Data Unit |
| HZ | Herero Language (ISO 639-1 Code) |
| CTIL | Critical Tracked Items List |
| IO | British Indian Ocean Territory (ISO 3166 Digram; FIPS 10-4 Territory Code) |
| LOSAT | Line-Of-Sight Anti-Tank (missile) |
| OPFOR | Opposing Force |
| NYHA | New York Heart Association |
| NNW | North North-West |
| PL | Ice Pellets (new Style METAR Code) -petalitre -Phase Line (Co-ordination Line) -Poland (ISO 3166 And FIPS 10-4 Country Code Digram) |
| ALOC | Air Lines Of Communication |
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