Illustration of a US Air Force XB-70 Valkyrie supersonic bomber aircraft in flight. This large six-engine bomber was capable of reaching Mach 3 plus, while flying at altitudes of 21, 000 metres. Only two test aircraft were ever built, which were operational between 1964 and 1969. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Van Ravenswaay, Detlev |
Taille de l’image : | 4134 px × 2964 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |