Here is what I have found for you:
"During the German invasion of France, Bèarn was dispatched to the United States to ferry new aircraft which had been ordered from that country, including Vought Vindicators and Grumman Wildcats. Neither aircraft reached its destination before the surrender of France in 1940, and the Béarn instead sought harbor in Martinique, too obsolete to participate in naval operations of the Free French fleet. Instead, in 1944, she was converted to an aircraft transport, a role which was valuable to the Allied effort but meant she would never operate in her original role in the war."
http://en.wikipedia.org/wiki/French_...ier_B%C3%A9arn