It funny how if it is a private restaurant and your ideological peers are on the other end of the foot your argument changes instantly . Explain to me how this is not basic hypocrisy 101 ? <| sep |> You can check what SpaceX proposed . Otherwise the more traditional approach would require ISSlike multimodular spacecraft . There could theoretically be also a large Cycler spacecraft , assuming you want to have constant transport capability for low cost . <| sep |> Excellent scientific test . Have always been doubtful of iOS ' usage ' times since it ' s not the same as screenontime . <| sep |> If that ' s the London Underground I can almost guarantee that some bloke on the left shouted AHA DICKHEAD ! <| sep |> Suffice to say that it ain ' t exactly representative of WW 2 armour piercing roundsTrue , and it ' s also aluminum armor on the M 113 , but the effect of flying fragments in a confined space is quite analogous . We are talking about a massive kinetic event when say a 15 lb shell tears through 2 inches of armor plate inside a closed box . Look at a nonDU railgun projectile plowing through 12 steel plates granted it ' s flying about twice as fast as your average WW 2 high velocity AP projectile , but you can see the amount of white hot spall that comes off the plates .