Live coverage of the countdown and launch of an Atlas 5 rocket with the U.S. Air Force’s fourth Advanced Extremely High Frequency communications satellite. Text updates will appear automatically below. Follow us on Twitter.
ULA’s live video coverage of the Atlas 5 launch will begin at 11:55 p.m. EDT on Oct. 16 (0355 GMT on Oct. 17). Spaceflight Now Members can watch a live view of the launch pad now. Become a member today and support our coverage.