The 1938 Program ordered the Joffre class aircraft carriers based on lengthy studies of British designs.
There were two elevators installed in the flight deck. To help stop landing aircraft there were nine arrestor wires.
There were two hangars, one on top of the other. The upper hangar was 640' x 68' x 16' 6" and the lower 260' x 50' x 14' 6".
The large superstructure was on the starboard side. The upper hangar was to the port side to help balance the ship. There was a single funnel.