[1] He returned to the French Royal Navy for the War of American Independence with a rank of Frigate Lieutenant.
He served on the fluyt Bricole from September to December 1778, the frigate Boudeuse until March 1779, and then joined the Guerrier, on which he was wounded during the Battle of Grenada.
[1] After the war, Lhéritier returned to the merchant Navy, sailing as an officer on a number of ships before earning his commission as captain on Adolphe in April 1792.
[1][2] Lhéritier was kept as a prisoner-of-war in England[3] until he was exchanged in April 1795,[1] and appointed to Pluton,[1] before being promoted to Chef de Division on 21 March 1796 and transferring on Constitution .
Lhéritier attempted to board Mars, and sustained himself a sabre blow to the head and had his leg injured.