Trump's birthright citizenship executive order struck down in a 6-3 ruling as three conservative justices join liberals on the 14th Amendment.

Justice Ketanji Brown Jackson accused Clarence Thomas of echoing Dred Scott by opposing the birthright citizenship ruling under the 14th Amendment.

The announcement comes as the Pentagon increasingly focuses on preparing for a potential conflict in the Indo-Pacific, where China's rapidly expanding navy would present one of the U.S. military's biggest challenges.