Live coverage: Atlas 5 countdown and launch journal

The first of up to seven United Launch Alliance missions lifted off Jan. 19 from Vandenberg Air Force Base in California, where a Delta 4-Heavy launcher fired into orbit with 2.1 million pounds of thrust from three hydrogen-fueled RS-68A main engines with a U.S. government spy satellite.

Spaceflight Now Members can watch a time-lapse replay of the Atlas 5 rocket’s rollout to pad 41 at Cape Canaveral Air Force Station before the launch of the U.S. Air Force’s AEHF 5 communications satellite.

This NASA animation depicts the OSIRIS-REx mission to grab a sample of Asteroid Bennu and return it to Earth for study. Launch from Cape Canaveral aboard an Atlas 5 rocket is scheduled for Sept. 8 and landing in Utah is planned for Sept. 24, 2023.