Sikorsky's record-breaking X2 Demonstrator helicopter may be a museum piece these days, but the technology that went into it is still alive and kicking as the United Technologies subsidiary takes the wraps off the first of its two S-97 Raider helicopter prototypes. According to Sikorsky, this event marks the beginning of the armed reconnaissance 'copter's flight tests aimed at providing the US Army with its next generation of combat rotorcraft.