In this capacity, in 1915, he bombarded Ottoman forces near Musa Dagh and helped rescue 5,000 Armenians from genocide, conducting them to Port Said.
In 1919, commanding the French naval forces in the Baltic Sea, he gave assistance to Latvia at the Battle of Riga.
[1] Promoted to rear admiral after the war, Brisson took command of the 3rd Line Division in the Mediterranean.
In 1928, he was promoted to vice admiral and named president of the navy's technical committee.
Among the honours he received from the French state, he was appointed a Grand Officer of the Legion of Honour and was granted the Croix de guerre des théâtres d'opérations extérieures with palm leaves.