President Trump on Friday denied that his administration would show billionaire Elon Musk details of the Pentagon’s planning for a potential war with China, citing Musk’s various business dealings

Planning for a war with China has dominated Pentagon thinking for decades, well before a possible confrontation with Beijing became more conventional wisdom on Capitol Hill. The United States has built its Air Forces, Navy and Space Forces — and even more recently its Marines and Army forces — with a possible fight against China in mind.