这回中国真有麻烦了？美国正开发超远程加农炮，可打击1000英里外目标！ austraveller2019-01-26 13:22:18

Preparing for the ultimate standoff against foreign adversaries, the US Army is working on a 1,000-mile range supergun that could potentially destroy Chinese naval ships, should a showdown take place in the hotly contested waters of the South China Sea.