 Complete the following phrase:  On 29 December, she left on her first war patrol, steaming for the Mariana Islands. She arrived off the coast of Guam at 03:00 on 11 January 1945 and Hashimoto ordered four kaitens launched. The kaitens tentatively claimed a tanker sunk, though it was unable to verify if the ship had actually been struck. The strike had been unsuccessful. She then sped back to Kure and arrived there on 20 January. She remained in port there until March, likely due to supply shortages. On 1 March, she was ordered to Iwo Jima to support the 