Magdalena (YFB-687) lost due to enemy action at Luzon, Philippine Islands, and stricken from the Navy List, 24 July 1942. Rivera (YFB- 685 ) lost due to enemy action at Luzon, Philippine Islands, and stricken from the Navy List, 24 July 1942. Rosal (YFB-682) lost due to enemy action at Luzon, Philippine Islands, and stricken from the Navy List, 24 July 1942. "San Felipe" (YFB-12) lost due to enemy action at Luzon, Philippine Islands, and stricken from the Navy List, 24 July 1942. Santa Rita (Launch Number 681) lost due to enemy action at Luzon, Philippine Islands, and stricken from the Navy List, 24 July 1942. Yacal (YFB-688) lost due to enemy action at Luzon, Philippine Islands, and stricken from the Navy List, 24 July 1942. Drydock Dewey scuttled to prevent capture at Bataan, Philippine Islands, 10 April 1942. YFD-20 lost off California, 31 January 1943. YG-39 lost, 27 September 1944, and stricken from the Navy List, 13 November 1944. YG-44 lost at Pearl Harbor, Territory of Hawaii, 7 February 1945. YM-4 lost due to enemy action in the Philippine Islands and stricken from the Navy List, 22 February 1942. YM-13 lost due to enemy action at Guam, Marianas Islands, and stricken from the Navy List, 22 February 1942. YO-41 lost due to enemy action in the Philippine Islands and stricken from the Navy List, 24 July 1942. YO-42 lost due to enemy action in the Philippine Islands and stricken from the Navy List, 24 July 1942. YO-64 lost due to enemy action in the Philippine Islands, January 1942, and stricken from the Navy List, 21 April 1944. YO-156 lost at Sitka, Alaska, May 1945. YO-157 lost at Sitka, Alaska, May 1945. YO-159 lost off the New Hebrides Islands, 14 January 1944. YPD-22 lost due to enemy action in the Philippine Islands, January — May 1942. YPK-6 lost due to enemy action in the Philippine Islands and stricken from the Navy List, 24 July 1942. YPK-7 lost due to enemy action in the Philippine Islands and stricken from the Navy List, 24 July 1942. YR-43 lost in the Gulf of Alaska, 28 March 1945.