Complex sentence: The "Bismarck", also damaged, ordered her consort to proceed independently while she headed for the French port of St Nazaire, which was the only port on the Atlantic coast with a dry dock able to accommodate a ship of her size.
Split into simpler sentences: The "Bismarck", also damaged, ordered her consort to proceed independently while she headed for the French port of St Nazaire. This was the only port on the Atlantic coast with a dry dock able to accommodate a ship of her size.