 Wu Changqing, together with a staff of officers, took over the training of the Korean army and additionally provided the Koreans with 1,000 rifles, two cannons and 10,000 rounds of ammunition.Furthermore, the Ch'in'gunyŏng, ("Capital Guards Command") was also created consisting of four barracks designated the right, left, front, and rear; this new Korean military formation was trained along Chinese lines by Yuan Shikai.The Chinese further supervised the creation of a Korean Maritime Customs Service in 1883, with von Möellendorff as its head.