 They were attacked by German bombers on entering the Kola Inlet on 28 November, and "Onslow" was slightly damaged by a near miss.On 24 December, "Onslow" set out from Scapa Flow together with the cruiser , the destroyers "Offa", and and and two landing ships as part of Operation Archery, a Combined Operations raid on the German-occupied Norwegian islands of Vågsøy and Måløy.The force arrived at its destination on 27 December, and while Commandos landed on the islands, "Onslow" and "Oribi" attacked a coastal convoy, sinking driving aground four merchant ships (, , and ) and boarding the "Vorpostenboot" (an armed trawler) "Föhn", capturing coding wheels and bigram tables for the Enigma cypher machine, before sinking "Föhn".