Take context from the input text and decide on the accurate relationship between 'Elon Musk' and 'SpaceX' from the options provided.
Options: currency, owner of, subsidiary, member of

SpaceX Chief Executive Elon Musk last week said a faulty metal brace likely triggered the explosion that destroyed the booster minutes after liftoff from Florida, destroying a load of cargo destined for the space station.
owner of