Live coverage: Delta 2 launches

“We had a terrific ride into space aboard the United Launch Alliance’s Delta 2 vehicle. They deposited us exactly where we wanted to be with with accuracy and precision,” said Kent Kellogg, NASA’s SMAP project manager.

It was 1986 and the U.S. Air Force was on the cusp of something unprecedented in human spaceflight — launching a space shuttle crew from California and paving the way for people to fly true polar missions.

SpaceX kicked off its 2019 launch campaign with a mission Friday from Vandenberg Air Force Base in California carrying 10 more upgraded communications satellites into orbit to complete a refresh of Iridium’s voice and data relay network. Liftoff of the Falcon 9 rocket occurred at 7:31 a.m. PST (10:31 a.m. EST; 1531 GMT).