Later, Carney continued to assist Halsey as Chief of Staff during his operations in the Okinawa campaign and the carrier air raids against Japanese air fields in Vietnam and Formosa in the South China Sea. In 1945, Third Fleet was striking targets in the Japanese homeland itself, launching attacks on Tokyo, the naval base at Kure and the northern Japanese island of Hokkaidō, as well as the bombardments of a number of Japanese coastal cities in preparation for an invasion of Japan which never happened.