The project was first teased by Musk in early 2026 and officially announced on March 21, 2026 during a special event at the defunct Seaholm Power Plant in Austin, Texas [1][2]
So part of the extended cinematic universe then.
(man, I wish I could get people to throw money at me for all of my outstanding projects that I buy some parts for and would be nice to do "some time")
I'm sure they'll get around to building that electric VTOL Elon Musk has been "recently thinking about" for the past decade eventually, too.