several villages and hills after overcoming German resistance. This helped clear the way for the 7th Armoured Division to be employed. They began their advance on 28 September and entered Naples on 1 October. During September, drafts were brought in to replace the 46th Division's casualties. Some of these drafts mutinied, in what became known as the Salerno mutiny, because they were not being reassigned to their former units. In October, the division attacked the German Volturno Line, based along the River Volturno. An initial bridgehead was captured on 6 October, but the main attack did not occur for another six days. Hugging the coastline, the division seized additional crossings. By 15 October, it had advanced beyond the river to a series of canals that formed the main defensive position of the 15th Panzergrenadier Division. This obstacle was overcome by 18 October, and bridges were constructed. Due to the success achieved by the 56th (London) Infantry Division, near Capua, the 46th Division was moved further inland. They launched new attacks on 29 October, which breached the Barbara Line. Sessa was taken on 1 November, and they reached the Garigliano River the next day. On 1 December, the division launched its first attack on the Bernhardt Line. This attack was diversionary, to assist the 56th Division in their main effort, and involved a failed attempt to take the village of Calabritto. German troops, dug-in around the village, repulsed the division, and it was not until the 56th Division cleared the nearby high ground that the 46th was able to capture the village on 6 December. The next series of battles were efforts to breach the Winter Line and became part of the opening phase of the Battle of Monte Cassino. On 19 January 1944, the division made three attempts to cross the Garigliano, at the confluence of the rivers Liri and Gari. The swift current and German resistance defeated these efforts. DUKWs, which had been available, had been withdrawn for training exercises to prepare for the upcoming landing at Anzio and were sorely missed. While the division's attack failed, it helped in drawing vital German reinforcements towards it and away from the Anzio area. The failed attack potentially hindered an American attack that occurred the next day, during the Battle of Rapido River, as the 46th had not captured vital terrain on the American southern flank. The 56th (London) Infantry Division,