The Admiralty Islands campaign (Operation Brewer) was a series of battles in the New Guinea campaign of World War II in which the United States Army's 1st Cavalry Division occupied the Japanese-held Admiralty Islands.
Felttoget på Admiralitetsøerne (Operation Brewer) var en række slag under felttoget på New Guinea under 2. verdenskrig hvor United States Armys 1. kavaleridivision erobrede de japansk besatte Admiralitetsøer.