This week, on Dead Ends: The story of a top-secret military plan for the largest aircraft carrier ever built, made almost entirely of ice. And, the story of the secret genius behind not only this plan, but some of the second world war's greatest advancements. Don't miss it.Dead Ends is now on iTunes!: https://itun.es/i6dF2SrFollow Jack on Twitter: https://twitter.com/Jackapedia_Listen to Car Boys Boys: http://bit.ly/CarBoysBoys