Having worked at Boeing, I can tell you their specs take way longer than two months to write. That's a good thing. What's the point of delivering this type of

Having worked at Boeing, I can tell you their specs take way longer than two months to write. That's a good thing. What's the point of delivering this type of software piecemeal? A new airliner takes 10 years or so to produce. There's no value in shipping half an airplane.