Not yet satisfied with his contribution to the war, Browne signed-up with the US Army Small Ships Section in June 1944 where he served on ships directly supporting the Philippines Campaign, particularly the Battle of Leyte Gulf and Invasion of Lingayen Gulf. In addition to his WW2 Australian Service and Campaign medals, he was awarded US Service Medals, including the Asiatic–Pacific Campaign Medal with Campaign Stars for the Battle of Leyte and the Battle of Luzon and the Philippines Liberation Medal.