Join us onboard a specially chartered B747-400 flight by Aquiline International to celebrate a unique wedding in the sky. The ...

Today, with hindsight being 20/20, we know how the Boeing 747 revolutionized air travel. But that was anything but a sure thing back when it was still on the drawing board in the mid-1960s.

The exact cost of the jumbo jet isn't clear, but a new 747-8 can fetch a cool $400 million. It's also unclear what it may cost to retrofit with necessary communications and security features.