The XB-70 Valkyrie was this dream made real ... but will be reviewed I'm an interior decorator. Here are 10 things I'd never have in my living room. Frontier Airlines proposes merging with ...

So, let’s take a closer look at the XB-70A. The Valkyrie wasn’t cheap at $700 million per prototype, and it never made it to full production. But this gargantuan airplane excited the 5,000 ...