The introduction of the submarine to naval warfare reshaped planning and doctrine. While typical engagements relied on guns ...

PITTSBURGH — An emotional memorial ceremony was held aboard the USS Requin, the submarine moored along the Ohio River at the Carnegie Science Center. “No maritime power has ever survived unless its ...

Modern nuclear submarines are some of the most complex machines of war ever constructed. They can remain at sea for years, can submerge for extended lengths of time, and they run almost silently. They ...