Type A Mod.2 submarine
The Type A Kai 2 (A Modified 2) submarine (巡潜甲型改二潜水艦, Junsen kō-gata kai-ni sensuikan, "Cruiser submarine type A modified 2"), also called I-13-class submarine (伊一三型潜水艦, I-jū-san-gata sensuikan) was a pair of large, aircraft-carrying cruiser submarines built for the Imperial Japanese Navy (IJN) during World War II. == Design and description == The Type A Mod.2 submarines were versions of the preceding A2 class with the command facilities replaced by an enlarged aircraft hangar, which was fitted for a pair of Aichi M6A1 floatplane bombers. They displaced 3,661 tonnes (3,603 long tons) surfaced and 4,838 tonnes (4,762 long tons) submerged.