The XB-70 Valkyrie aeroplane is one of those aeroplanes that looks like it was the dreamchild of a mad scientist and is not real, but it is very real. It’s a marvel of modern engineering.
The XB-70 Valkyrie aeroplane is one of those aeroplanes that looks like it was the dreamchild of a mad scientist and is not real, but it is very real. It’s a marvel of modern engineering.
