. In September 1939, d'Argenlieu was mobilised as a reserve Navy officer, rising to the rank of
capitaine de corvette in 1940. During the
Battle of France, d'Argenlieu was captured as he was defending the arsenal of
Cherbourg. After three days, he escaped from the prisoner train to Germany and joined
Charles de Gaulle on 30 June. D'Argenlieu joined the
Free French Forces, intending to serve as chaplain, but eventually took on the duties of a fighting naval officer, with a special authorisation of his religious superiors because of the small number of Navy officers in the
Free French Naval Forces. He was made chief of staff in July. He attempted to convince the
Vichy French governor of
Dakar to join De Gaulle and was severely wounded when he was fired upon in his small and unarmed craft on 23 September, during the
Battle of Dakar. In November, he
directed successful operations in
Gabon. D'Argenlieu was made a
capitaine de vaisseau, and chancellor of the newly created
Ordre de la Libération. In 1941, he rose to
counter admiral; he undertook several missions to administer French colonies loyal to
Free France. In 1943, he was made commanding officer for the naval forces in Great Britain On 14 June 1944, he ferried de Gaulle to France aboard the destroyer , and entered Paris with him on 25 August. ==First Indochina War==