Cornelius is a very smart Oxford class technical research ship.Originally named USS Cornelius,He was aquired by the US Navy in August 1945 as the war ended.After 8 years of patrolling the Pacific,He was transferred to the Bigg City Port Military base to learn about the eventful waters of the area.From there he met the Star Fleet,and has been good Friends with them ever since;particularly Hercules and Matthew.