SpaceX's Musk says sabotage unlikely cause of Sept. 1 explosion, but still a worry

Statements attributed to SpaceX founder Elon Musk suggest he remains concerned that Falcon 9 rocket operations are vulnerable to attack by "a long list" of SpaceX adversaries even if it's unlikely that such an event was behind the Sept. 1 explosion during preparations of a static fire test. SpaceNews.com