Admiral of the Blue | |
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![]() Command flag (1625–1864) | |
Country | ![]() |
Service branch | Royal Navy |
Abbreviation | AB |
Next higher rank | Admiral of the White |
Next lower rank | Vice-Admiral of the Red |
Admiral of the Blue was a senior rank of the Royal Navy of the United Kingdom, immediately outranked by the rank Admiral of the White (see order of precedence below). From 1688 to 1805 this rank was in order of precedence third; after 1805 it was the fourth. In 1864 it was abolished as a promotional rank. The command flag for an Admiral of the Blue is a plain blue flag.[1]