I don't think a 70 ton tank meets that requirement. And we still haven't talked about keeping it in action once its on the battlefield.
The Rapid Deployment Tank project of the 80's would be welcome even today. These photos are all from Viggen's Blog.
If you want a refresher on the "looming" weight issue with Marine Corps and Army vehicles when it comes to strategic/tactical mobility then check out this article by Roger Galbraith.
