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In page Vice admiral:

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Before World War II, the vice admiral was the highest rank in the Polish Navy. Józef Unrug was one of the only two officers to achieve the rank. The other was Jerzy Świrski. Poland had only one sovereign sea port, Port of Gdynia, and was slowly building a small modern navy that was to be ready by 1950. The navy was not a priority for obvious reasons. At present, it is a "two-star" rank. The stars are not used; however, the stars were used in between 1952 and 1956 and are still used in the vice admiral's pennant.[citation needed]