If the image is 1950 - 1952 then both are Royal Navy destroyers of the 8th Destroyer Flotilla all which were frequently in Hong Kong and were very active in the Korean War.
This pair could be any of the following 7, Charity, Cockade, Comus, Concord, Consort, Constance and Cossack with the last named serving 14 years in the Far East.
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8th Destroyer Flotilla
If the image is 1950 - 1952 then both are Royal Navy destroyers of the 8th Destroyer Flotilla all which were frequently in Hong Kong and were very active in the Korean War.
This pair could be any of the following 7, Charity, Cockade, Comus, Concord, Consort, Constance and Cossack with the last named serving 14 years in the Far East.