Philly Shipyard held a keel laying ceremony on Monday for the third vessel in a series of new purpose-built, state-of-the-art training ships for America’s state maritime academies.The newbuild is the third of five new National Security Multi…<p><p>https://www.marinelink.com/news/philly-shipyard-lays-keel-third-nsmv-504777</p></p>