The term 'Fleet Runner' is a job title in the military, specifically in the NAVY. An ADMIRAL is a high-ranking naval officer, usually the most senior naval officer in an entire NAVY or fleet. The NAVY is the branch of the United States Armed Forces responsible for naval operations and maritime security. The USNavy is the naval warfare service branch of the United States Armed Forces and one of the seven uniformed services of the United States. Therefore, a Fleet Runner in the USNavy would be an ADMIRAL responsible for overseeing the operations of a fleet of ships.