Thundering ATK rocket booster test a success (video)

Alliant Techsystems (ATK) in Promontory Point successfully tested its GEM-60 solid rocket motor for a ground-shaking 90 seconds Thursday. The 10-year-old rocket booster has helped send satellites into space for the likes of NASA and the Department of Defense. The motor is used to help launch the Delta IV M+ vehicle developed by Centennial, Colo.-based United Launch Alliance. Two of the boosters will be used next on Oct. 4 to launch a global-positioning satellite for the United States Air Force ...