David Bushnell (1740 – 1824), while a patriot student at Yale University, imagined a submersible craft capable of underwater attack upon enemy shipping. To achieve his vision, the future combat engineer and munitions expert had to develop several innovations that ultimately modernized naval warfare. But unfairly, history has pretty much credited Bushnell as the sole … Continue reading The Turtle: Infernal Vessel Became the First Submarine Used in War