On 9 December 1939, "Shropshire" intercepted the German merchant "Adolf Leonhardt", which was scuttled by her own crew. The cruiser returned to Britain for a refit in early 1940, before proceeding to the Indian Ocean, where she was employed on convoy cover duties between Cape Town-Durban-Mombassa and Aden. She also participated in the campaign against Italian Somaliland during 1941, bombarding both Mogadishu and Kismayu during the advance of the South African Army from Kenya to Abyssinia, and sinking the Italian vessel "Pensilvania" off Mogadishu on 13 February. She remained in the South Atlantic, undergoing a refit at Simon's Town between March and June 1941, then came home in October 1941 for a further major refit at Chatham between October 1941 and March 1942 before returning to the South Atlantic until the end of the year, when she was recalled to Chatham prior to transfer to the RAN.