WS-15 delays have been well known long before this article came out. Replying to: Problems encountered in development of new WS-15 engine -- Khan Post ReplyForum Canis Majoris 02/11/2018, 17:43:15 Author Profile | Edit Recommend | Alert | 5 4 3 2 1 0 -1 -2 -3 -4 -5 Where am IGo Up Go TopPost ReplyBack