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Pennant of the 20th Minesweeping Flotilla
The 20th Minesweeping Flotilla was a Royal Australian Navyminesweepingflotilla that operated during World War II. Formed on 9 December 1939 and styled in the naming convention for minesweeping flotilla names used by the Royal Navy, the flotilla consisted of HMAS Swan, Yarra, Doomba and Orara. The makeup of the flotilla changed during the course of the war.
