From the transcript

You need to make shipbuilding great again, our manufacturing great again, our defense industrial base strong and robust again, our ports, our ships, our autonomous submarines. From day one, President Trump has demanded from the War Department speed, scale, and urgency to build an arsenal of freedom befitting our warriors and considering the threats of the 21st century. And that's why today we're here to proudly announce construction of the largest U.S. shipyard since World War II.