I'm the chief engineer of the company, although I should say that we're an extremely talented engineering team. 
I think we've got the best rocket engineering team that has ever been assembled. 
It's an honor to work with such incredible people. 
So it's fair to say that we have not yet succeeded in achieving full reusability, but we at last have a rocket where full reusability is possible. 
And I think we'll achieve it next year. 
That's a really big deal. 
And the reason that's such a big deal is that full reusability drops the cost of access to space by a hundred. 
Maybe even more than 100 actually. 
So it could be like 1,000. 
You can think about like any mode of transport.