When is Delta IV Heavy rocket launch from Cape Canaveral? What we know about next attempt Florida TodayRECAP of ULA Delta IV Heavy rocket launch scrub: next attempt uncertain Florida TodaySpaceX delays launch of 22 Starlink satellites from California Space.comLaunch Roundup: Delta IV Heavy swan song, Falcon 9 and Soyuz launches on tap for last week of March – NASASpaceFlight.com NASASpaceflight.comMore than 60 years of Delta rockets coming to end with final launch on Space Coast WKMG News 6 & ClickOrlando