MinDiv was a standard

U.S. Navy The United States Navy (USN) is the maritime service branch of the United States Department of Defense. It is the world's most powerful navy with the largest displacement, at 4.5 million tons in 2021. It has the world's largest aircraft ...

abbreviation or acronym for "Minesweeper Division." The Commander of a minesweeper division is known, in official Navy communications, as COMMINDIV (followed by a number), such as COMMINDIV EIGHT.

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