Mach 1 pour steve warson - Edition Autoplus

Steve Warson goes to the United States and meets Chuck Danver, a pilot who created the Sonic Bird, a prototype capable of breaking the sound barrier on the road. Injured and threatened by the Leader who covets this project, Chuck gives his place to Steve and Michel Vaillant is called in for the final adjustments. The first attempt of the machine will take place on the Bonneville salt flats track, in the presence of the Leader.