Complex sentence: Just over a year later the vessel was laid up for around six months before making its third return to the Channel being renamed "SeaCat France" and once again deployed on the Dover to Calais route.
Split into simpler sentences: Just over a year later the vessel was laid up for around six months before making its third return to the Channel. It was renamed "SeaCat France" the vessel was once again deployed on the Dover to Calais route.