as the son of one who managed these aircraft during WWII, I'm afraid the 
Google search turned up incorrect information.  Kurt's right, the B-17 
was the Flying Fortress, and the B-52 was the Stratofortress.  the 
primary heavy long-range bomber in between was the B-36 Peacemaker -- 
the plane that dropped the atom bombs on Hiroshima & Nagasaki.  chris 
kessler

Marko, Thomas L. GS BUMED wrote:
> Per Kurt Schwartz: Sorry to be a stickler, but the B-17 was called "Flying
> Fortress."  A Stratofortress is the B-52.
>
> A Google search turned up both the terms "Stratofortress" & "Flying
> Fortress" for the B-17 bomber.  Sort of analogous to a "yellow-rumped" & a
> "butter-butt," don't you think?
>
> - Tom Marko
>
>
>