wikipedia
English
Noun
en-noun|sg=union|Union Jack|-
- The flag of the United Kingdom, consisting of the flags of England, Scotland, and Ireland combined.
Image:Flag of the United Kingdom.svg|thumb|250px|The Union jack of the United Kingdom. [111000.svg|20px Flag Ratio: 1:2]
- nautical UK The flag, consisting of the flags of England, Scotland, and Ireland combined, flown on ships of the government of the United Kingdom
- nautical American The flag, consisting of the blue star-studded field in the corner of the national ensign, flown at the jack staff by ships at anchor<ref name="FM5501">US FM 55-501 MARINE CREWMAN’S HANDBOOK; 1 December 1999</ref>.
Image:US Naval Jack.svg|thumb|right|125px|US Union Jack
Usage notes
The Union Jack (also Union flag, union jack) is regarded as the official flag of the United Kingdom, although technically no law to that effect has ever been passed.
References
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