Balloon Bombs: Imperial Japan's Top Secret Plan to Bomb the U.S. Homeland
Published on: Saturday 11 May 2019
... daily weather maps from the United States Weather Bureau after discovering the existence of an air current moving west to east from Japan to the North American continent at a high altitude. ...
News source: https://nationalinterest.org/blog/buzz/balloon-bombs-imperial-japans-top-secret-plan-bomb-us-homeland-56922
