keep in mind NKs missiles are on mobile launchers like this: https://www.reuters.com/article/us-northkorea-missiles-china-truck/north-korea-appeared-to-use-chin

keep in mind NKs missiles are on mobile launchers like this: https://www.reuters.com/article/us-northkorea-missiles-china-truck/north-korea-appeared-to-use-china-truck-in-its-first-claimed-icbm-test-idUSKBN19P1J3 https://www.reuters.com/article/us-northkorea-missiles-china... They can be hidden pretty easily.