“American and Chinese aircraft could be flying 4,000 miles per hour by 2030”

Should we be worried?

http://www.popsci.com/hypersonic-arms-race-china-united-states

After all, China isn’t necessarily our friend.

We focus on Iran and the so-called “Islamic State” and al-Qa‘ida and other manifestations of violent extremist Islamism.  And understandably so.  But they don’t represent existential threats to the United States.  China, on the other hand, potentially does represent such a threat.

Posted from Barcelona, Catalonia, Spain