Li Rusong
Song made extensive preparation from September to December 1592, gathering military forces from across China and securing supplies and equipment. The expedition would eventually be led by general Li Rusong and would set out on 12/25 (lunar calendar) 1592 from Liaodong province with an army of 36,000, Song would stay behind as the Ming forces managed to retake Pyongyang in the siege of Pyongyang within 2 weeks of setting out, Kaesong a couple weeks later, and Seoul by March 1593, it was a staggering success as the Ming forces managed to retake the 3 largest cities in Korea in short periods with a much smaller army than the Japanese forces.