The term 'Crew on the High Seas' refers to a group of sailors who work together on a ship. The term 'TARS' is an acronym for 'Total Active-duty Regular Sailors', which is a term used to describe the members of the crew. These sailors are responsible for the operation and maintenance of the ship, as well as providing support for the captain and other officers. They are also responsible for the safety of the passengers and cargo on board.