"Kalach" . ":Battle of Kalach" . . "Battle of Kalach" . . "1st and 4th Tank Armies" . . "Germany" . . . . . . . . . . "German victory" . . . . . . "Sixth Army" . . . . "destruction of the Kalach pocket" . "ca. 160,000 men" . "Battle of Kalach" . . "ca. 270,000 men" . "armored clash" . "Soviet Union" . "62nd and 64th Armies" . . . "1942-08-11" . .