If you're interested in NASA's colloquially dubbed "Apollo On Steroids" space exploration plan, then you might be interested in newly posted high-resolution concept photos of their future liquid methane powered rocket fleet.

NASA's "Apollo On Steroids" page.

The Misoneist Says: I'm no rocket scientist, but doesn't NASA's decision to use methane fuel because of hopes that energy could be extracted from Mars' methane abundant atmosphere ignore the possibility and stymie the drive to create other, more powerful propulsion systems?