 The main body of the Japanese Fifteenth Army, consisting of the 33rd Division, 15th Division and the brigade-sized "Yamamoto Force", planned to cut off and destroy the forward divisions of IV Corps before capturing Imphal.The 31st Division would meanwhile isolate Imphal by capturing Kohima.Mutaguchi intended to exploit this victory by capturing the strategic city of Dimapur, in the Brahmaputra River valley.