According to excerpts from a new biography, Elon Musk last year curtailed his Starlink satellite service to prevent Ukraine using it for a sea-drone attack on Russia’s Black Sea Fleet in Crimea.

He worried the move could become a mini-Pearl Harbor and even trigger nuclear retaliation. "How am I in this war?’’ he’s said to have asked the book’s author, Walter IsaacsonIt was a good question and has a simple answer: Musk is in this war because he did the right thing 19 months ago.

When Russia invaded its neighbor in February 2022, one of the advancing military’s first moves was to neutralize the Ukrainian Army’s communications system. The government in Kyiv turned to the world’s richest human because he was probably the only man on the planet capable of providing a solution at the speed and scale that was needed.