He rose to Engineering Officer, then Deputy Governor of the pages of King Louis XVI, then colonel, then brigadier general on 8 May 1792.
Within days of his appointment he oversaw the dismissal of the royal Garde du Corps and the Swiss Guards; he also abolished corporal punishment in the army.
The scope and length of their stay in the capital was undefined, and the proposal was highly contentious: some, like the king, saw it as a plot to stack Paris full with anti-monarchists, while others, like Maximilien Robespierre, feared the outsiders might be used as a provincial counterweight to the radical Parisian sans-culottes.
Amid much criticism for his use of the unpopular veto power, the king fought back and dismissed the entire Girondin ministry, including Servan.
[2] Eventually thousands of the provincial volunteers arrived regardless of the king's disapproval, and they were given a warm welcome by members of the Assembly, including Robespierre himself.