U.S. Prototype bombers of the late forties , Dougles XB-43 jetmaster, Convair XB-46, Martin XB-48 and the remarkable Martin XB-51 . pic.twitter.com/7mjTiNHvzh
— gavin blackburn (@GavinGavingav1) April 2, 2020
U.S. Prototype bombers of the late forties , Dougles XB-43 jetmaster, Convair XB-46, Martin XB-48 and the remarkable Martin XB-51 . pic.twitter.com/7mjTiNHvzh
— gavin blackburn (@GavinGavingav1) April 2, 2020