Zephyr unmanned solar aircraft flying above the US Army's Yuma Proving Ground, Arizona, USA. The aircraft broke its own aerial endurance record by being airborne for 64-days. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / US Department of Defense |
Taille de l’image : | 4830 px × 7237 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |