Coordinates : 47.69778,-3.00639
47┬░41.867 N 3┬░0.383 W
A rest stop on the E side of the D768 contains a memorial to a downed US aircrew.
Take the N24 SW from Rennes. Get off and take the D768 S near Baud. At the exit of Saint-Guerin, after passing the Theatre de l'Ecume, the monument is on the E rest area.