 Complete the following phrase:  He served in the famed IV Corps commended by Marchal Soult, under the orders of Colonel Joseph Bonaparte Napoleons elder brother, and later King of Naples and Sicily and of Spain first, and soon later, under the orders of Colonel Louis-Léger Boyeldieu . At the head of the 3rd battalion of reserve Calès did not take part, however, to the first battles of the campaign of Austria 1805 Battles of 