Williams repeatedly led the PBRs against concentrations of enemy junks and sampans. Clark mounted a machine gun on a sampan and sank the attacking junks. Accidents e.g. collision between ships with moored junks were recorded. Chinese junks referred to many types of coastal or river ships. The escort fleet, consisting of armed junks, immediately took action and outflanked the pursuing flotilla. Some 120 Spaniards, Japanese, and Filipinos, sailing aboard three junks, launched an expedition to Cambodia. The paddle-wheel steamer Nemsis had run circles around cumbersome Chinese war junks. Dutch Taiwan exchanged silver for gold from China brought by Zheng junks. Following the "Hyson" was a fleet of 80 junks converted to gunboats. The Nusantara archipelago was known for production of large junks. However, they soon began to shield Chinese junks and a cautious trade began. Large, ocean-going junks played a key role in Asian trade until the 19th century. On 6 November 23 war junks attacked and were destroyed. He had 500 war junks and an army which he could still use to rule. The British scored some hits but not enough to disable any of the junks.