Rubuta ci gaba ga wannan sakin layi - Battalion na 121 na Field Artillery, kamar yadda aka sanya shi a ranar 1 ga Fabrairu, 1942, ya bambanta kansa a cikin Pacific Theater of Operations. Kyautarsa ita ce: Aitape, Biak
, Leyte, Luzon da New Guinea (tare da Saidor Arrowhead). A farkon 1943 an ba da Battalion na 121st Field Artillery Battalion 75 mm a maimakon na 155 mm howitzers waɗanda ke da makamai na yau da kullun a matsayin babban rukunin tallafi na Artillery Division.