The Philippine Sea Frontier (PHILSEAFRON) was a United States Navy Sea Frontier active in 1941, and reformed in 1944. On 8 December 1941 it was part of the 16th Naval District, a component of the United States Asiatic Fleet. (Naval Coastal Frontier until 6 February 1942) Inactive from 6 May 1942 to 13 November 1944) Rear Admiral Francis W. Rockwell: 7 December 1941 – 18 March 1942 Captain Kenneth M. Hoeffel: 18 March 1942 – 6 May 1942 Vice Admiral Kauffman handed over command on 2 September 1945.