As May of 1942 drew to a close, the Japanese Naval High Command realized that it would only be a matter of time before the Americans tried to retake the Hawaiian Islands. Admiral Isoroku Yamamoto saw this as his opportunity for a decisive battle like the Battle of Tsushima, and force the US to sue for peace. At his disposal, were the fleet carriers, Akagi, Shokaku, and Zuikaku. Major Kuro Horikawa of the Army Air Force offered the use of the Army fighters and bombers stationed in Hawaii, effectively converting the islands into a fourth air craft carrier, but Yamamoto turned down this offer, preferring to fight the battle as far forward from the islands as possible. All the high command were aware of the US radar advantage, so in order to combat this disadvantage, the Japanese established a