 When the Allied fleet steamed into Constantinople in November 1918, it was Gough-Calthorpe's flagship, HMS "Superb", that led the way.Gough-Calthorpe became British Commissioner in the Ottoman Empire at the end of the War during a time of considerable political instability associated with the partitioning of the Ottoman Empire and the allied intervention in the Russian Civil War.Appointed a Knight Grand Cross of the Order of St Michael and St George on 1 January 1919 and promoted to full admiral on 31 July 1919, he became Commander-in-Chief, Portsmouth in April 1920.