Like a conventional submarine, the Albacore has two sets of rudders for depth control in addition to ballast tanks, which can be filled with compressed air (blown) for emergency surface maneuver.
 
Like a conventional submarine, the Albacore has two sets of rudders for depth control in addition to ballast tanks, which can be filled with compressed air (blown) for emergency surface maneuver.
   Exception encountered, of type "Error"