Complex sentence: She was commissioned for service in April 1763 for service in the Port of Liverpool, under the command of 26-year-old Lieutenant Skeffington Lutwidge who would later go on to reach the Navy's most senior rank, Admiral of the Red.
Split into simpler sentences: She was commissioned for service in April 1763 for service in the Port of Liverpool. Her first commander was 26-year-old Lieutenant Skeffington Lutwidge who would later go on to reach the Navy's most senior rank, Admiral of the Red.