It subsequently trained as a mountain warfare division in the Scottish Highlands under General Sir Neil Ritchie. As the invasion of Normandy approached, the 52nd (Lowland) Division were involved in an elaborate deception plan, Operation Fortitude, designed to deceive the Germans into believing that there would not be one invasion area but several, and that the 52nd would have formed the nexus of a strong force that was to be landed in Norway. As a mountain warfare formation, it had little heavy equipment and transport, and therefore was optimal for conversion to operations as an Airborne force, being assigned to the First Allied Airborne Army. It was in this role that the division was anticipated to take part in Operation Market Garden. Instead the division was reassigned to the First Canadian Army, eventually landing at Ostend in October 1944, as part of the wider Allied advance from Paris to the Rhine.