After completing her sea trials , Ise was attached to the Imperial Japanese Naval Academy at Etajima and ferried troops and munitions to the naval base at Truk in October . In November the ship began working up , joined by the newly completed Hyūga the following month , and both rejoined the 2nd Battleship Division . On 1 May 1944 , the sisters were transferred to Rear Admiral Matsuda Chiaki 's reformed Fourth Carrier Division of the 3rd Fleet . The division 's 634th Naval Air Group was formed that same day and conducted its first catapult launches in late June .