 Complete the following phrase:  In the War of the Third Coalition, Gazan initially was assigned as a division commander of Napoleons Grande Armée in Lille, in preparation for the planned invasion of England; he remained there until the idea was abandoned. In August 1805, Gazan commanded of a division of the army that encircled Austrians in Ulm. On November 11, under Marshal Mortier, his division provided the advance guard in the march against Kutuzovs army. As they advanced through a narrow Danube canyon, the division was isolated from the main force, near 