The Ming treasure voyages were the seven maritime expeditions undertaken by Ming China's treasure fleet between 1405 and 1433. The Chinese expeditionary fleet was heavily militarized and carried great amounts of treasures, which served to project Chinese power and wealth to the known world. They traveled to places like the states of Southeast Asia, the coast of India, the Persian Gulf, the Red Sea, and the east coast of Africa. They had gone on overseas mission's northeast and east, had sent envoys multiple times across desert and grassland to the mountains of Tibet and Nepal and on to Bengal and Siam. Every coastal guard battalion was allotted 50 ships for maritime defense. The Ming also set up naval palisades, beacon towers, strategic forts, and irregular military units and warships