The Carl Vinson strike group, which includes a nuclear-powered aircraft carrier, was initially meant to be heading to Australia. Its new route is seen as a show of strength by the US, which is also putting pressure on regional powers.
And US Secretary of State Rex Tillerson says China has agreed that action must be taken.
To what lengths will Washington go to remove a potential threat?
Presenter: Laura Kyle
Jean Lee – Global fellow at the Woodrow Wilson Center
Victor Gao – Director of the China National Association of International Studies
Jim Walsh – Research associate at MIT’s Security Studies Program