Complex sentence: Hyperion attempts to hurl Redstone into orbit but redstone had prepared a nuclear weapon stolen from a sunken Norwegian submarine that will explode if it does not recive a signal from him every 5 minutes.
Split into simpler sentences: Hyperion attempts to hurl Redstone into orbit but redstone has prepared a nuclear weapon stolen from a submarine that had sunk in the Norwegian sea. The bomb will explode if it does not recive a signal from him every 5 minutes.