source https://www.cnn.com/2021/04/20/politics/china-russia-nuclear-weapons/index.html
Top military official warns China and Russia are modernizing nuclear weapons faster than US
The top US military official who runs the American nuclear arsenal warned that China and Russia are modernizing their nuclear weapons and capabilities faster than the US, saying during a congressional hearing on Tuesday that if it does not start investing more in nuclear defense and infrastructure, the US will be "at risk of losing credibility in the eyes of our adversaries."
source https://www.cnn.com/2021/04/20/politics/china-russia-nuclear-weapons/index.html
source https://www.cnn.com/2021/04/20/politics/china-russia-nuclear-weapons/index.html