[1] In 1750 Bossu was a member of military reinforcements being send to New Orleans, the capital of the French colony Louisiana.
Bossu's convoy left France on 1750-12-26 and traveled first to Cap-François in Saint-Domingue, where it arrived mid February.
in 1757 Bossu returned to France to report on the state of the French colony and was ordered back to New Orleans the same year.
Back in France he had to spend six weeks in prison for having criticized Louis Billouart for assigning the command of the convoy to Fort Toulouse to less experienced officer.
Bossu was keen observer making the accounts of his travels an important source for historians and ethnologists on New Orleans, the French colony and the Indian tribes in Mississippi region during the 18th century.