Elon Musk’s Mini-Sub Was ‘Not Practical’ for Thai Cave, Chief of Rescue Says The tech billionaire sent 10 engineers to Thailand and designed a submersible vehicle using rocket parts, but it was not used in the narrow cave. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Israel Accuses Iran of Ordering Palestinian Rocket Fire From GazaMattis Vows U.S. Will Hold Khashoggi’s Killers AccountableYemen’s Humanitarian Crisis: How to Help.Dozens Dead in Eastern Syria After Clashes with Islamic StateTaiwan’s Gay Pride Parade Draws Thousands, as Votes on Same-Sex Marriage NearItalians Protest in Rome About Dismal State of the City