Complex sentence: As the battleship rapidly sank, the line from the "Monarch" s quickly played out releasing the tug however the "Hercules" cables didn't release until the last possible moment, leaving her tossing and pitching above the grave of the sunken "Oklahoma".
Split into simpler sentences: As the battleship rapidly sank, the line from the "Monarch" quickly played out releasing the tug. However the "Hercules" cables didn't release until the last possible moment, leaving her tossing and pitching above the grave of the sunken "Oklahoma".