Zheng He was a Hui Chinese mariner, explorer, diplomat and fleet admiral who commanded voyages to Southeast Asia, South Asia, the Middle East and East Africa between 1405-1433 under the Ming Dynasty. He commanded fleets with hundreds of ships and over 27,000 crew members. As admiral, he led 7 voyages to establish Chinese tributary systems along the maritime route and spread Chinese influence. His fleet included 62 giant treasure ships that were some of the largest wooden ships in maritime history.