In this March 3, 2017 file photo, a U.S. Navy F18 fighter jet lands on the U.S. Navy aircraft carrier USS Carl Vinson following a patrol off the disputed South China Sea. The USS Carl Vinson, which is steaming through the South China Sea, is just one of several high-profile displays of U.S. naval power as President Donald Trump’s administration weighs options of how to reassure allies and respond to an assertive China.