SpaceX is launching a new SiriusXM satellite today. These missions are crucial for various services. What are you most excited or curious about regarding today's launch? Live coverage: SpaceX to launch 7.5-ton SiriusXM satellite as part of constellation refresh https://spaceflightnow.com/2026/06/28/live-coverage-spacex-to-launch-7-5-ton-siriusxm-satellite-as-part-of-constellation-refresh/