The largest and most powerful Atlas rocket in history rushed off its Cape Canaveral pad on a river of golden flame Thursday evening to expand Lockheed Martin's launcher family. The Atlas 5 rocket blasts off from Complex 41 carrying Rainbow 1. Credit: ILS Sporting new solid-fueled strap-on boosters for added liftoff power and a bulbous nose cone to house bigger satellite cargos, this latest version in the evolving line of Atlas rockets signaled the final qualification for pieces comprising the next-generation Atlas 5. "It is exciting that it puts the final exclamation point on the Atlas 5 family," said Adrian...