Dec. 23, 2021
H-001-2/2021: USS Ward, Warning and Operation “Divine Turtle” No. 1
Operation Shinki No. 1 Operation Shinki (Divine Turtle Operation No. 1) was the Japanese midget submarine component of the larger “Plan Z” surprise attack on Pearl Harbor. The midget submarine operation was a relatively late add-on to the plan, approved by the commander in chief of the Combined Fleet, Admiral Isoroku Yamamoto, during a planning