Taiwanese coast guard captain Juan Chung-ching's patrol boat moves across the Taiwan Strait, scanning for threats to what Taipei says is the newest target of China's grey-zone warfare: undersea cables vital to the democratic island's communications.Juan steered his 100-ton vessel…<p><p>https://www.marinelink.com/news/taiwan-steps-subsea-cable-patrols-529873</p></p>