NASA’s new megarocket is poised to take the U.S. to the moon and on to Mars.

In its place, NASA would build a new heavy-lift rocket and crew capsule for missions to the moon, and later Mars. NASA's new megarocket is poised to take the U.S. to the moon and on to Mars 17, NASA'S MASSIVE SPACE LAUNCH SYSTEM (SLS) moon rocket has stood silent on pad 39B at the Kennedy Space Center, towering over the Florida swamps. [Extracted from the article]