Operation Downfall
She departed Halifax for Esquimalt in June 1945 and commenced refit there for tropicalization as part of Operation Downfall, the planned invasion of Japan. The Surrender of Japan took place in August while "Kokanee" was still in refit, which she completed on 4 October 1945. The peacetime downsizing of the RCN saw her paid off on 21 December 1945 and was placed in reserve status.