<prompt> Pedzisa mutsara unotevera: Muna February 1940, howitzers mbiri dzorudzi rwechi7 dzakanga dzatamiswa kunhare yeKoto muManchuria kuti dzisimbise kuzvidzivirira kweJapan pakurwiswa neSoviet. Mauto eJapan aiva nenhare sere dzakavakwa kumuganhu neSoviet Union, umo nhare yeKoto paRwizi rweUssuri yaiva yakasimba zvikuru. Masvingo makuru, akafanana neMaginot Line, akachengetedzwa ne4th Border Guard Unit. Vanhu vane chiuru nemazana mana vaive nemabhatiri maviri epfuti dzebhinzi uye howitzers, maviri Type 90 240 mm zvombo zvechitima, uye imwe yekuyedza 41 cm howitzer. Apo vaSoviet vakarwisa nzvimbo dzeJapan dzakapoteredza nhare yeKoto muna  <response>: Operation August Storm muna 1945, vashandi vose vomuzinda nezvombo zvose zvakarasika. 