Boeing won a contract to design and build the US’s next-generation stealth fighter jet, beating out rival Lockheed Martin Corp. for the multibillion dollar program aimed at preparing the military for possible conflict with China. The new sixth-generation fighter jet, whose overall cost is expected to run in the hundreds of billions of dollars, “will ensure that the USA continues to dominate the skies,” President Donald Trump said in an unveiling at the White House. Trump, the 47th president, said with a sm