Building the Ultimate Submarine (Full Engineering Documentary) June 18, 2018 Unipro2013main Military Technology, Navy </p> <h2>Ultimate Submarine</h2> <p> People have dreamed of building a submarine for hundreds of years, but only in recent history have we had the technology to do so. Explore to incredible design and engineering feats that were accomplished in creating The Ultimate Submarine.</p> <p> Please support our Sponsors -
