NASA's Marshall Center Completes Successful Ullage Motor Development Test for Ares I Rocket

With a loud roar and a bright flash, engineers at NASA's Marshall Space Flight Center in Huntsville, Ala., successfully completed the first round of development testing for the ullage settling motor -- a critical element of the Ares I rocket. The Ares I is the first rocket under development for NASA's Constellation Program, a program tasked with the development of vehicles necessary to carry