 Captain William Gladstone Agnew assumed command on 15 October 1945 . The end of hostilities following Japan 's surrender reduced the need for new warships , and consequently the ship was not commissioned until 12 May 1946 . By this time , a total of £ 11 @,@ 530 @,@ 503 , including £ 3 @,@ 186 @,@ 868 for the modernisation of the main armament , had been spent on producing Vanguard . 
