In October 1943 "Dulverton" was involved in the Dodecanese Campaign, as part of a force that was trying to capture the Greek islands of Kos and Leros on 20 October and again on 4 November. On 12 November, "Dulverton" returned to support the garrison on Leros which had just been invaded by the Germans. On 13 November, whilst five miles off the coast of Kos, she was attacked by German Do 217 E-5 aircraft from KG 100 using Hs 293 glider bombs, one of which struck "Dulverton" abreast of the bridge. Six officers and 114 ratings were evacuated from the ship before she was scuttled by , but three officers including the Captain of the 5th Destroyer Flotilla and 75 ratings were lost.