Complex sentence: Joseph Trewavas was awarded the VC for his actions in the Sea of Azov, and an acting-mate in "Beagle", Wiliam Hewett, was awarded the VC for his actions in defending a shore battery.
Split into simpler sentences: Joseph Trewavas was awarded the VC for his actions in the Sea of Azov. An Acting-mate on "Beagle", Wiliam Hewett, was awarded the VC for his actions in defending a shore battery.