A captain was the leader of a sports team, usually chosen based on their skill and leadership abilities. Benjamin Sisko was the captain of the Academy wrestling team at Starfleet Academy. (DS9: "Apocalypse Rising") Julian Bashir was the captain of the racquetball team at Starfleet Medical Academy. (DS9: "Rivals") Harry Kim was the captain of the Velocity team. It was one of the accomplishments he included in his 2375 lament to Derran Tal about his discomfort with breaking rules. (VOY: "The Disease")