Just as a note Alphonse Georges knew that the Ardennes was the Achilles Heel of the French defense. He was categorically ignored by Gamelin, commander of the French Army. This should not be terribly surprising as Gamelin’s headquarters both before and during the invasion of the West was an old castle in the middle of France not connected to the outside world. Updates were brought in hourly by motorcycle courier.
The “greatest army in the world” (Churchill 1940) was using hand delivery to update its chief of staff whilst the Wehrmacht had installed two way radios in every tank, 2,500 total and Junkers 87s.
For his exemplary service (a.k.a. escaping to Britain) deGaulle became the new head of the French military.