CH-18 was a of the Imperial Japanese Navy during World War II.
CH-18 was laid down by Nippon Kokan K. K. at their Tsurumi Shipyard in 1941, launched on 23 April 1941, and completed and commissioned on 31 July 1941.[1] In May 1942, she participated in the Battle of Midway (Operation "MI") where she was assigned to Miyamoto Sadachika's 16th Minesweeper Unit (along with auxiliary minesweepers,,, ; submarine chasers, and ; cargo ships Meiyo Maru and ; and auxiliary ammunition ship).[1]
On 30 December 1944, she was attacked and sunk near Santiago Island, Luzon by 26 land-based aircraft of the United States Fifth Air Force consisting of B-25 Mitchell medium bombers, A-20 Havoc light bombers, and P-40 Warhawk fighters (17.3°N 144°W) while conducting escort duty.[1] [2]
CH-18 was struck from the Navy List on 10 March 1945.[1]