Australian Army during World War II Australian Army during World War II The Australian Army was the largest service in the Australian military during World War II. Prior to the outbreak of war the Australian Army was split into the small full-time Permanent Military Forces (PMF) and the larger part-time Militia. Following the outbreak of war, on 14 September 1939 Prime Minister Robert Menzies announced that 40,000 members of the Militia would be called up for training and a 20,000-strong expeditionary force, designated the Second Australian Imperial Force (Second AIF), would be formed for overseas service. Meanwhile, conscription was introduced in October 1939 to keep the
Australian home front during World War II to the declaration, and Parliament passed the "National Security Act 1939". A War Cabinet was formed after the declaration of war, initially composed of Prime Minister Menzies and five senior ministers (RG Casey, GA Street, Senator McLeay, HS Gullet and World War I Prime Minister Billy Hughes). When Page still refused to join a government under Menzies, he was replaced by Archie Cameron as leader of the Country Party on 13 September 1939, allowing the conservative parties to re-form a Coalition by March 1940. The recruitment of a volunteer military force for service at home and abroad was announced, the