The U.S. military on Friday shot down an unknown high-altitude object off the coast of Alaska on the order of President Joe Biden, the White House said, citing a threat to the safety of civilian flights.White House national security spokesman John Kirby said the object, first detected Thursday night, was much smaller than a Chinese surveillance balloon that recently flew over the United States and was taken down by the military off the coast of North Carolina on Saturday.Kirby described the object as "roughly the size of a small car," and said it was brought down by a fighter jet near the U…READ FULL ARTICLE