Complex sentence: In case Fagalde relented, fifteen small naval vessels towing boats, with room for about waited offshore and some sailed into Calais harbour without an evacuation order and one vessel delivered another order for Nicholson, to continue the battle.
Split into simpler sentences: In case Fagalde relented, fifteen small naval vessels towing boats, with room for about waited offshore and some sailed into Calais harbour without an evacuation order. One vessel delivered another order for Nicholson, to continue the battle.