Live coverage: Atlas 5 countdown and launch journal

United Launch Alliance will launch the USSF-106 mission as its first flight for the U.S. Space Force using a Vulcan rocket. The vehicle will carry two satellite missions onboard.

This video captures the final portion of the launch countdown and follows the Atlas 5 rocket’s flight through arrival in the preliminary orbit carrying the Curiosity rover headed for Mars. (Membership Required)

The next Atlas 5 rocket launch from Cape Canaveral will be delayed two weeks to resolve an undisclosed issue with the payload, United Launch Alliance officials announced Friday.