First launch for Orbital's Antares rocket since 2014 explosion

Orbital ATK launched its Antares rocket for the first time since a massive explosion after liftoff two years ago en route to the International Space Station. The new Antares 230 rocket, propelled an unmanned cargo capsule, called Cygnus, toward the orbiting outpost carrying 5,100 pounds (2,300 kilograms) of supplies, food and science experiments. About five minutes after the launch, the first and second stage portion of the rocket separated, as planned, and shortly after the Cygnus cargo ship re