ULA's Vulcan Centaur rocket is 'go' for 2nd-ever launch on Oct. 4 - Space.com

ULA's Vulcan Centaur rocket is 'go' for 2nd-ever launch on Oct. 4  Space.comULA Vulcan rocket launch scheduled from Cape Canaveral. What time is liftoff?  Florida TodayULA set for second Vulcan launch  SpaceNewsLaunch Roundup: Vulcan ready for second flight; Hera mission set to study asteroid  NASASpaceflight.comCan ULA clear the final hurdle on Vulcan?  Defense One