[fleitz]

http://www.urbandictionary.com/define.php?term=all%20hat%2C%...

So if you're a rocket company and don't make your own engines you're not really a rocket company, you're just talk.

[avmich]

Or if you don't have a reliable supplier of engines. In this case world politics meddled with space rocketry, so supplier's goods became less than completely available.