 Complete the following phrase:  In addition to supporting the Armys operations on the New Guinea mainland, the RAN and RAAF took part in offensive operations in the Solomon Islands. This involvement had begun in August 1942, when both of the RANs heavy cruisers, and , supported the US Marine landing at Guadalcanal. On the night after the landing, Canberra was sunk during the Battle of Savo Island and the RAN played no further role in the Guadalcanal Campaign. RAAF aircraft supported several US Army and Marine landings during 1943 and 1944 and an RAAF radar unit participated in the 