 Comet returned to the UK in April 1936 and refitted at <unk> between 23 April and 29 June before resuming duty with the Home Fleet . In July she was deployed for patrol duties off the Spanish coast in the Bay of Biscay to intercept shipping carrying <unk> goods to Spain and to protect British flagged shipping during the first stages of the Spanish Civil War . On 9 August she assisted the crew of the crippled British yacht Blue Shadow off <unk> , after the small vessel was shelled by mistake by the Nationalist cruiser <unk> <unk> . The ship was briefly placed in reserve in late 1936 while discussions were held about transferring her to the Royal Canadian Navy . Two of her sisters were chosen instead and Comet was recommissioned for service with the Mediterranean Fleet as plane guard for the aircraft carrier Glorious on 29 December . 
