Solar Impulse 2 back in the air after battery upgrade
Updated: 2016-03-04 09:50
(Agencies)
 |
| The Solar Impulse 2 airplane, flown by test pilot Markus Scherdel, flies off the coast of Oahu during a test flight from Kalaealoa Airfield in Kapolei, Hawaii, March 3, 2016. [Photo/Agencies] |
 |
| The Solar Impulse 2 airplane is wheeled out of it's hangar by the ground crew before a test flight from Kalaealoa Airfield in Kapolei, Hawaii, March 3, 2016. [Photo/Agencies] |