 Complete the following phrase:  On 4 April 1777, Martelly-Chautard was promoted to Capitaine de Vaisseau. He was given command of the 50-gun Experiment and on 1 May 1780, he departed Marseille, escorting 33 merchantmen to Saint-Pierre de la Martinique. He arrived on 16 June and joined a squadron under Bouillé. He then took part in the 