After completing 27 research flights, cracks in the fuel tanks forced the X-1B to be rounded and it is now on display in the R&D Gallery of the NMUSAF.
This aircraft piloted by Major Mario de Bernardi won the 1926 Schneider Trophy race and set two world speed records. 396.698 km/hr (13/11/1926), 416.618 km/hr(17/11/1926).
Falcon of Groupe de Liaisons Aériennes Ministérielles 01/060 visited Aerosalon 1995. Named Rambouillet and based at BA107 Villacoublay 'till 1995. Now flying for French Navy 25F.