Team putting Zephyr unmanned aircraft into flight at the US Army's Yuma Proving Ground, Arizona, USA. Zephyr is an unmanned solar-powered aircraft. The Zephyr aircraft broke its own aerial endurance record by being airborne for 64-days. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / US Department of Defense |
Bildgröße: | 6304 px × 4048 px |
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