US to Sell Taiwan Anti-Tank System Amid Rising China Threat. WASHINGTON - The U.S. State Department has granted approval to sell an anti-tank mine-laying device to Taiwan due to the increasing security threat from China. The department announced on Wednesday that the Volcano system, as well as the associated equipment could cost approximately $180 million. It can scatter anti-personnel and anti tank mines from a ground vehicle or helicopter. It's the kind of weapon that some experts think Taiwan requires more of in order to deter or ward off the possibility of a Chinese invasion. To make the case for…