Retired Rear Adm. Mark Montgomery warns Russia is giving China submarine quieting technology that could erode a key U.S. Navy undersea advantage.
https://www.foxnews.com/politics/russia-helping-china-close-gap-us-forces-amid-taiwan-tensions-warns-longtime-military-leader
https://www.foxnews.com/politics/russia-helping-china-close-gap-us-forces-amid-taiwan-tensions-warns-longtime-military-leader