 Complete the following phrase:  In the War of the Third Coalition, Beaumont led the 3rd Dragoon Division, which included 18 squadrons in the 5th, 8th, 9th, 12th, and 16th Dragoon Regiments, and a horse artillery battery. His brigadiers were Charles Joseph Boyé and Nicolas-Joseph Scalfort. Under the overall leadership of Marshal Joachim Murat, he led his 2,400 troopers into action at the 