 Complete the following phrase:  Trochu was born at Le Palais on the island of Belle-Île-en-Mer, off the coast of Brittany. Educated at St. Cyr, he received a commission in the Staff Corps in 1837, and was promoted to lieutet in 1840, and captain in 1843. He served as a captain in Algeria under Marshal Bugeaud, who, in recognition of his gallantry in the battles of Sidi Yussuf and Isly, made him his aide-de-camp and entrusted him with important commissions. He was promoted to major in 1845, and to colonel in 1853. He served with distinction throughout the 