Kim has more scary tricks up his sleeve. Photo: STR/AFP/Getty Images In late November North Korea conducted a ballistic missile test that appeared to show for the first time that it’s capable of striking anywhere on the U.S. mainland. North Korea probably isn’t capable of delivering a nuclear warhead just yet, but new reports highlight that there are plenty of other reasons to be worried about the threat posed by Kim Jong-un’s regime. The U.S., Japan, and South Korea are teaming up in the coming days to test their abilities to track submarine-launched missiles amid fears that North Korea is rapidly developing such technology. The New York Times reports that the drill will take place over two days in the waters between Japan and the Korean Peninsula. Last month 38 North, which tracks North Korea’s weapons developments, said satellite images of the Sinpo South Shipyard from November 5 suggest the nation has stepped up its efforts to create its first ballistic missile submarine. Such missiles are hard to detect before launch, but missiles aren’t the only weapons to worry about. The Washington Post reported on Sunday that U.S. experts are alarmed by North Korea’s strides toward obtaining the knowledge and…