 In April 1937 she returned to Portsmouth with Glorious , and on 20 May the ship participated in the Coronation Review of the fleet at Spithead by King George VI . Four days later , Comet began a refit at Portsmouth that lasted until 18 June . The ship resumed plane guard duties for Glorious in the Mediterranean . She began a major refit at Chatham on 26 May 1938 to bring her up to Canadian specifications that included the installation of Type 124 <unk> . 
