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:U.S. Officials Say Military Moves to Deter Iran Are WorkingAustria Chancellor Faces Prospect of No-Confidence Vote as Coalition UnravelsBehold Australia’s Grossest Drinking Tradition: The ShoeyNorth Korea Envoy Warns U.S. Over ‘Outrageous’ Ship SeizureDeflated, Venezuela’s Opposition Considers Negotiating With MaduroTornadoes, Joe Biden, Huawei: Your Monday Evening Briefing