This is a phase that never actually existed, but we're pretending it does.
We're talking, of course, about Phase Minus Two, The Prototype Minus Two, where the engineers who came up with Phase Zero were all, "Wait, no, we're not done, we're just getting started!"
It's like that old joke about the guy who's always a little late. "I'm not early, I'm just ahead of schedule."
Here's a list of all the things we didn't do:
And that's why it's Phase Minus Two, The Prototype Minus Two.
Want to see the next phase? Phase One, The Prototype might have something to say about it.