"7th Army" . . "1st Army" . . . . . . . "slowly pushing towards Germany" . . . . . "Germany" . "1944-12-16" . . . . . . . . . . . . "15th Army" . . . "United Kingdom" . "Air support" . . . "Operation Queen" . . . . "German defensive victory" . . "Operation Queen" . . . . "9th Army" . "failed to cross the Rur river" . . . . "38,500" .