HistoryData
Historical ConflictGeilenkirchen

Operation Clipper

Operation Clipper eliminated the Geilenkirchen salient on the Siegfried Line, securing the boundary between British and American forces in November 1944.

Duration & Scope

1944 ongoing

< 1 year

Key Facts

Date
Mid-November 1944
Commanding formation
British XXX Corps
American unit attached
84th Infantry Division
Distance north of Aachen
20 km (12 mi)
Key geographic feature
Wurm River

Strategic Narrative Overview

British XXX Corps, augmented by the American 84th Infantry Division, launched Operation Clipper to pinch off the Geilenkirchen salient. The operation unfolded across undulating terrain of woodland, farmland, and industrial villages crossed by minor roads and a railway. Allied forces pressed against fortified Siegfried Line positions along the Wurm River, reducing the German defenses that had hindered coordination between the two Allied armies.

01 / The Origins

By mid-November 1944, Allied forces advancing through northwestern Germany faced a German-held salient around Geilenkirchen on the Siegfried Line. This protrusion sat at the seam between the British Second Army and the American 9th Army, restricting Allied movement and posing a potential flanking threat. Eliminating it was a prerequisite for the broader Operation Queen, aimed at seizing the Roer valley and the Hürtgen Forest.

03 / The Outcome

Operation Clipper succeeded in reducing the Geilenkirchen salient, removing the immediate German threat at the British–American army boundary. The operation served as a preliminary step enabling the wider Allied push under Operation Queen toward the Roer valley. The elimination of the salient improved Allied operational flexibility along this sector of the Western Front in late 1944.

Belligerents & Mobilization Analysis

Side A

1 belligerent

British XXX Corps (incl. US 84th Infantry Division)

Side B

1 belligerent

Germany (Siegfried Line garrison)
Outcome
Allied forces eliminated the Geilenkirchen salient, securing the British–American boundary and enabling Operation Queen.

Location

Map of Geilenkirchen, GermanyMap of Geilenkirchen, GermanyGeilenkirchen, Germany