Early days of air refueling thejivebombers US Air Force January 30, 2018April 20, 2020 1 Minute B-50 hooks up to a KB-29P during air refueling tests over Puget Sound. (Bainbridge island in the background). This B-50, 49-265, was eventually converted in to a tanker itself. The KB-29, 42-93921, started life as a bomber but never saw combat. Share this:TwitterFacebookLike this:Like Loading... Related Published by thejivebombers View all posts by thejivebombers Published January 30, 2018April 20, 2020