 Complete the following phrase:  Following the outbreak of the Second World War, Scanlan was called up from the Reserve of Officers having been placed on the reserve in 1920 and put in command of the 6th Garrison Battalion. In September 1941 he was put in command of Lark Force, which was tasked with the defence of Rabaul, in New Britain. Lark Force was a mixture of regular Australian Army troops the bulk of whom came from the a href222nd20Battalion2028Australia29222nd Battaliona and locally raised militia, a total of 1,400 men. When the Japanese Empire invaded Rabaul on 23 January 1942 in what is now known as the 