Senior Pentagon officials are increasingly concerned by China's advancing hypersonic and nuclear capabilities.

In this diagram there are two forces, which, when added together give a resultant force of 30 newtons (N). ... 10 000 NResultant force = 40 000 N upwards. The rocket has just launched.

China has revealed two new leaders of its People’s Liberation Army Rocket Force this week in a surprise shake-up that has raised questions about the inner workings at the top of the military ...