Promotions;
March 15th, 1917: Acting Sub Lieutenant;
November 15th,1917: Sub Lieutenant;
December 17th, 1918: Lieutenant;
December 17th, 1926: Lieutenant Commander;
June 30th, 1932: Commander;
December 31st, 1938: Captain;
January 8th, 1948: Rear-Admiral;
January 15th, 1951: Vice-Admiral.
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