What message is China sending with latest footage of ‘no-notice’ DF rocket drill?

China has released footage of its troops carrying out a “no-notice” rocket launch as part of an ongoing effort by state media to showcase the People’s Liberation Army’s rapid-response capabilities. State broadcaster CCTV on Monday released a brief video showing the exercise in mountainous terrain and said it had been carried out with no advance notice given to the troops involved. No other details were provided. The footage – which is believed to show a missile from the Dongfeng (“East Wind”)...