Japanese, Taiwanese and American Subs prowl in the South China Sea !China !South China Sea !USA Japan Submarine Drone Submarine Warfare Taiwan Leave a Comment on Japanese, Taiwanese and American Subs prowl in the South China Sea The South China Sea region is heating up with the presence of Japanese, Taiwanese and American submarines in a bid to push back against Chinese belligerence. (Visited 3 times, 1 visits today)