Video: Antares/Cygnus pre-launch news conference

Officials from NASA, Orbital ATK, Wallops Flight Facility and the Commonwealth of Virginia preview Sunday night’s flight of the Antares rocket during the pre-launch news conference held on the eve of liftoff.

The launch is planned for Sunday evening at 8:03 p.m. EDT (0003 GMT) to send the cargo-laden Cygnus freighter to the International Space Station.