Japanese cruiser submarine (ex-Submarine No. 373 1942) I-43 1942-1944

I-40 class. ©Warshipsresearch.blogspot.com

Project S37B. Cruiser submarine Type-B Modified 1-class or I-40 class/Otsu-gata Kai-1, preceded by Junsen Type A succeeded by Junsen Type B. Built under the Maru Kyu Programma as No. 373. Laid down by Sasebo Naval Arsenal on 27 April 1942, launched on 25 October 194, completed on 5 November 1943, after she was completed converted into a carrier for a Daihatsu-class tank barge. Sunk by the American submarine USS Aspro (SS-309) north of Truk on 15 February 1944.