Solar Impulse, the world’s most advanced solar aircraft, is trekking across the United States. It’s already made it from the Bay Area to Phoenix, Ariz. Check out photos from its U.S. flights, and read more about the all-solar plane’s journey.
Solar Impulse’s U.S. adventures, in photos
The all-solar plane has already made it from the Bay Area to Phoenix. Check out pictures from the first leg of Solar Impulse's historic trip across America.
