If Iran can easily target U.S. installations in the Middle East with ballistic missiles, imagine what China could do.
The U.S. needs an integrated naval force that is prepared to take on China, Marine Commandant Gen. David Berger said.
China's navy commissioned its biggest and most advanced surface warship yet, the Nanchang guided-missile destroyer.
Top-ranking military commanders raised concern over a China that has claimed much of the South China Sea.
The U.S. Army has banned soldiers from using the popular Chinese social media app, which is now considered a security threat.
Beijing warned that the U.S. was turning the cosmos into a "battlefield", after Washington the creation of the Space Force.
The military tells its personnel to avoid installing apps that might compromise personal or sensitive data.
The bill registered strong congressional concern about Russia and China.
The commissioning of the warship, named the Shandong, puts China in a small club of nations with multiple aircraft carriers.
U.S. officials said they believe the Chinese diplomats were hoping to test the security measures at the base.