sentences:  In the fleet of Admiral d'Estaing, Ganteaume took part in the Capture of Grenada and in the Siege of Savannah.In 1781, he was promoted to auxiliary Frigate Lieutenant, and appointed to command the fluyt "Marlborough" in a convoy bound for the Indies and escorted by Suffren.From 1781 to 1785, Ganteaume served on the frigate "Surveillante" He was promoted to Fireship Captain in 1784, and sub-Lieutenant in 1786.