 Complete the following phrase:  Smith served in the Navy during the period of the Commonwealth, commanding ships at several of the battles of the First Anglo-Dutch War. He continued in the Navy after the restoration of the monarchy and was involved in further actions with the Dutch, during the Second Anglo-Dutch War. He rose through the ranks to become one of the junior commanders of the royal fleets, and at times commanded squadrons of his own on independent cruises. He was heavily involved in the 