 Differently from today, the GNN was then dominated by Southerners, with only 250 Toubou.This also explains the resentment that brought in 1968 to the destruction of the GNN garrison of Aozou and the mutiny of the Toubou units, forming "la Deuxième Armée" of the FROLINAT.Notwithstanding this setback, President François Tombalbaye showed much more trust in the GNN than in the army; by 1971 by increased its effectives to at least 3,500 men, commanded by Camille Gourvenec, a French officer that was also the Director of Information Services (espionage).