ocr: nE IJN Aoba Heavy. Cruiser 6H8 Inch Main Mounts 4H4.7 Inch Secondary AA Mounts 16-36 25mm AA Mounts 8H Type 93 Torpedo Mounts Displacement:10000 tons MaH Speed: 33 knots Belt Armor: 1-3 In. Deck Armor: 2 In. Main Turret Armor: 4 In. Lonning Tower: 8 In. The Aoba and her sisters Ashigara, Furutaka, Kako, Kinugasa along. with the Takaos formed the backbone of the Japanese Heavy Cruiser Fleet in WWII. They. were: launched in the late 30's. They. participated in the Coral Sea, Midway, and Savo Island battles. Although a crushing. success was inflicted on the Allies at Savo, the Kako was sunk by th ...