NASA's New Rockets - 06/30/06 "Ares" is the launch vehicle that will take people to the Moon the second time. The crew launch vehicle will be called Ares-I, and the cargo launch vehicle will be known as Ares-V. The linked videos below are courtesy of NASA; click the appropriate stream that fits your computer setup.
Comparison of Space Vehicle Height. The rocket on the far right is the Ares-V and the one next to it is the Ares-I. This is compared to the height of the Space Shuttle, second from left, and the Saturn V with the Apollo vehicle on top, far left. Courtesy of NASA.