Cygnus/Atlas V Complete Flawless Countdown, Launch

Cygnus Orbital ATK OA-6 LiftoffTonight’s launch of an Orbital ATK Cygnus spacecraft atop a United Launch Alliance Atlas V went smoothly from countdown through liftoff and ascent. Now the spacecraft and its 7,500 pounds of important scientific equipment and supplies for the crew is speeding toward the International Space Station and a rendezvous early Saturday morning. Read what this mission means for the research aboard the station and other factors at Photo credit: NASA/Kim Shiflett