 They were ordered to divert to attempt a landing in Soviet zone of Germany, but lost control of the aircraft and strayed into the airspace of West Berlin.The crew managed to avoid a housing estate but crashed into Lake Stößensee without ejecting.Their bodies, along with the wreckage, were raised from the lake by Royal Naval divers from Portsmouth who also retrieved important top secret material from the plane, including the engines, which were taken to RAF Gatow to be inspected by RAF and American engineers.