Complex sentence: The torpedo ram HMS "Thunder Child" destroys two attacking Tripods before being destroyed by the Martians, though this allows the evacuation fleet, including the ship carrying the narrator's brother and his two travelling companions, to escape.
Split into simpler sentences: The torpedo ram HMS "Thunder Child" destroys two attacking Tripods before being destroyed by the Martians. It allows the evacuation fleet, including the ship carrying the narrator's brother and his two travelling companions, to escape.