Falcon Heavy launch of largest commercial communications satellite scrubbed

The launch of a SpaceX Falcon Heavy with the Jupiter 3/EchoStar 24 satellite, the heaviest commercial communications satellite ever, was scrubbed with one minute, five seconds left on the countdown clock. SpaceX has another launch opportunity for the Falcon Heavy tomorrow. It was also planning a Falcon 9 launch of Starlink satellites from neighboring pad 40 on Thursday.