Reporters run for cover as Antares rocket explodes

Frank Culbertson, a former shuttle and station astronaut and now head of Orbital ATK’s space systems group, spoke with Spaceflight Now’s Stephen Clark on the sidelines of the 2015 International Symposium for Personal and Commercial Spaceflight.

A commercial Cygnus supply ship departed the International Space Station on Friday for an extended mission to deploy five nanosatellites and conduct other experiments before re-entering the atmosphere and burning up with more than two tons of trash.

Orbital ATK launch managers have pushed back liftoff of an Antares rocket until Monday to replace a faulty cable on the booster’s launch pad in Virginia.