President Donald Trump has vowed to lead a revival in U.S. shipbuilding, but the success of this manufacturing renaissance in a key sector for national security will rely on the expertise from overseas. The administration's goal of a shipbuilding boom is a part of Trump's "Make America Great" policy agenda. Trump signed an executive order in April to bolster the shipbuilding industry, but many industry executives have warned it won't be easy given the current state of the domestic industry, and foreign inve ...