| Acronym | Meaning |
 | PH | Passive Homing (missile Guidance System) -petahenry - Philippines (ISO 3166 Digram) -Probability Of Hit - Public Health - Purple Heart |
| NACC | North Atlantic Cooperation Council |
| FSA | Fire Support Area - UK Food Standards Agency - Functional Solution Analysis |
| CT | Canton And Enderbury Islands (ISO 3166 Digram; Merged Into KI In 1984) - Central African Republic (FIPS 10-4 Country Code) - Connecticut (postal Symbol) |
| BU | Bulgaria (FIPS 10-4 Country Code) - Burma (ISO 3166 Digram; Obsolete Since 1989) |
| KT | Kilotesla |
| UCLES | University Of Cambridge Local Examinations Syndicate |
| IFOV | Instantaneous Field Of View |
| MOUT | Military Operations In Urban[ized] Terrain |
| HW | Hardware -High Water (nautical Charts) |
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