<prompt> Tlatša polelwana ye e latelago: Ka April 20, 1945, I-121 le I-122 di ile tša bušetšwa go Submarine Division 33 go Kure Submarine Squadron. I-121 e ile ya fetišetšwa Maizuru Naval Base ka 12 June 1945 gomme ya dula moo go fihla mafelelong a Ntwa ya II ya Lefase. Dintwa di ile tša fela ka August 15, 1945, gomme  <response>: Japane e ile ya ineela ka molao ka September 2, 1945. I-121 e ile ya ineela go Makopano ka September 1945 kua Maizuru. 