 In all, some 200,000 Japanese soldiers, sailors and airmen died during the campaign against approximately 7,000 Australian and 7,000 American service personnel.Major battles included the Battle of Kokoda Trail, Battle of Buna-Gona and Battle of Milne Bay.The offensives in Papua and New Guinea of 1943–44 were the single largest series of connected operations ever mounted by the Australian armed forces.