SpaceX updates: Elon Musk calls the sudden ball of fire 'not an explosion' Sept. 1, 2016, 4:52 p.m.
What we know:
- Elon Musk's SpaceX was fueling its unmanned rocket when the blast occurred Thursday morning.
- The company was preparing for a test firing, considered routine, in advance of a planned Saturday launch from Cape Canaveral Air Force Station.
- The explosion destroyed the rocket and its payload: an Israeli satellite meant to be used in Facebook's effort to provide Internet service to poorly connected areas.