NASA astronaut Rex Walheim excited about Orion test flight

The final Delta 4 Medium rocket lifts off from Cape Canaveral Air Force Station on August 22, 2019, carrying into orbit the U.S. Air Force’s GPS 3 SV02 navigation satellite.

Joining the live video podcast on Friday, April 12, are Elizabeth Howell, staff writer for Space.com, and Bill Harwood, space consultant for CBS News. The show begins at 4 p.m. EDT (2000 UTC) on the Spaceflight Now YouTube channel.

The United Launch Alliance Delta 4 rocket, standing 217 feet tall and weighing 900,000 pounds, unleashes 1.8 million pounds of thrust from its main engine and four side-mounted boosters at 6:53 p.m. EST (2353 GMT) Wednesday to launch the eighth Wideband Global SATCOM satellite for U.S. military communications.