sentences:  After regrouping, the surviving members of the 13th Infantry Regiment began preparing for a final charge, determined to fight to the last man.Their commander, Colonel Muta, in a final act of defiance wrapped his unit's banner around his waist and armed himself with a grenade with which to blow himself up during the assault.Elsewhere, the remaining officers of the 23rd Infantry made a pact to hurl themselves against the Australians one last time in a suicidal charge.