but a lot of nations, i mean russians record of exploring mars, launching a successful mission is only 14%. >> right. they had miss after miss. every single country that ever sent a probe to mars lost the first one that they sent. even the americans. the americans figured it out pretty quickly. russians never really did. of course india is trying for it now. we'll see how they do. the indian mars spacecraft is arriving just about a week apart from when maven arrives. september of 2014 we'll see how they, we'll see how they do. jon: we mentioned that last week, when india launched that craft to get up there. obviously that is one of the problems in exploring mars. nasa says it still wants to send human beings up there in what, 2030. it's a 10 month trip! >> it's a 10-month trip and people forget how hard it is to do it. you saw the giant rocket launching maven, maven spacecraft weighses 2 1/2 tons.