But so far this year, his space firm has also kept up a schedule outpaced only by the Chinese government, making 15 launches with its Falcon 9 rocket.
The company has revealed little else about the trip, and it's anyone's guess when it might actually happen.
In typical fashion for any company owned by Elon Musk, they've made a decision to do so by blasting a single person - the world's first private passenger, around the moon and back to test the rocket's capability for far space travel. It also has a forward moving wing near the nose, Musk wrote on Twitter.
A Japanese internet entrepreneur is to fly round the moon as the first space tourist on a SpaceX rocket. And here we are just trying to get through the week.
Elon Musk's SpaceX has been talking up its plans to shoot tourists around the moon since early 2017.
Again, Musk's SpaceX will announce the identity of the Big Falcon Rocket traveler tonight at 6 p.m. PT here. If all had gone according to schedule, SpaceX would now be gearing up for its first lunar flight, fulfilling its pledge early previous year to launch a pair of tourists "faster and farther into the solar system than any before them".
Musk says Tesla now in 'delivery logistics hell'
But on August 28, Musk tweeted again, writing: "You don't think it's odd he hasn't sued me?" "On the surface, it appears that Mr. Then in a second email to BuzzFeed, he accused Unsworth of being a liar and said he was not on the cave dive team.
The new strategy is to still fly around the moon, but using an even bigger SpaceX rocket still in development that has its own dedicated passenger ship.
Setbacks and delays, however, don't deter Musk or his relentless company, which has grown to 7,000 employees.
SpaceX is on the verge of announcing the name of person who would be the first private passenger on a trip around the moon.
Like SpaceX's existing rockets, the Falcon 9 and Falcon Heavy, the first stage can detach from the rest of the rocket and return to Earth for an upright landing.
The individual will travel in a giant spacecraft that SpaceX has created to fly to Mars.
"All of that noise in the background, that is the sound of incredible things happening", NASA astronaut Victor Glover said.
For his part, he has admitted that much of what he hopes to achieve in space is aspirational. The company has grown from its origins as a mail-order music album business, and now makes most of its money through its shopping website Zozotown, which is popular with younger domestic consumers. "That you can go".