Conversly, if it is not BS, and the above conditions hold, people in Moscow aught to duck.
Take a look at this great circle plot. ...
http://gc.kls2.com/cgi-bin/gc?PATH=icn-hik%0D%0A&RANGE=&PATH-COLOR=&PATH-UNITS=mi&SPEED-GROUND=&SPEED-UNITS=kts&RANGE-STYLE=best&RANGE-COLOR=&MAP-STYLE=
"If it was launched from the DPRK, and landed in the NORTHERN sea of japan, this is pure BS."
Obviously you haven't heard of great circle bearings. Do a Google.