China’s Victory Day parade in September showed off a new, uncrewed submarine the size of a semi-truck — meant to keep tabs on US vessels and seafloor cables — and shined a spotlight on Beijing’s investment in the undersea domain.The US submarine industry, by contrast, is struggling to get out of drydock after years of delays, rising costs and a weakened industrial base https://t.co/vnRvgQ9LH4📷: Ashley Cowan/HII ...