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Watch SpaceX perform a complicated Falcon Heavy launch

Tim Fernholz
Watch SpaceX perform a complicated Falcon Heavy launch

Elon Musk says tonight’s Falcon Heavy mission is one of SpaceX’s most difficult ever. Tonight’s flight will feature some unusual (for SpaceX) orbital choreography to help show the US Air Force that its newest rocket can deliver satellites on demand, setting the stage for lucrative future missions. The show is expected to start with lift-off from Kennedy Space Center at 11:30 pm ET.