Video: Atlas/Cygnus pre-launch news conference

The United Launch Alliance Delta 4 rocket roars off the pad with the Global Positioning System 2F-9 satellite. Photos by ULA.

Watch a 4K video replay of the launch of a SpaceX Falcon 9 rocket and Cargo Dragon spacecraft Dec. 6 on a resupply mission to the International Space Station.

NASA astronauts Doug Hurley and Bob Behnken, assigned to fly SpaceX’s Crew Dragon spacecraft on its first piloted mission into orbit, participated in a dress rehearsal of their suit-up procedures and a trip to launch pad 39A at NASA’s Kennedy Space Center in Florida on Jan. 17, 2020.