XB-58 Hustler, 55-660 thejivebombers US Air Force January 29, 2018April 20, 2020 1 Minute 660 was the first of the B-58s and after spending a brief career as a test aircraft (it was the first one built) it was relegated to the role of an instructional airframe. Share this:TwitterFacebookLike this:Like Loading... Related Published by thejivebombers View all posts by thejivebombers Published January 29, 2018April 20, 2020