Renowned entrepreneur Elon Musk’s aerospace company SpaceX is no stranger to experiencing failures with its experimental Falcon-series of reusable launch vehicles, having previously lost one vehicle to an explosion during launch in 2015. But the cause of the catastrophic explosion of a Falcon 9 vehicle during a routine fueling operation on September 1 has investigators stumped, with Musk admitting that the investigation is "turning out to be the most difficult and complex failure we have ever had in 14 years." Musk has also stated that they are leaving no stone unturned in this investigation — including possible sabotage by external entities.
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