Breaking Defense:

In the wake of a hair-raising report of a secret Chinese hypersonic space weapons test, a denial by the Chinese government, and doubly vague public remarks from the US Air Force chief, security observers have been left this week with more questions than answers about what exactly may have circled the planet just weeks ago and how big of a threat it could be to US security.

It also has prompted larger questions about the state of strategic nuclear stability, but that complex issue warrants a story on its own.

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