![Test pilot Damian Hischier takes off for a test flight of the SolarStratos aircraft, a solar-powered two-seater aircraft with a mission to fly some 24,000 meters (over 78,000 feet) above earth set Test pilot Damian Hischier takes off for a test flight of the SolarStratos aircraft, a solar-powered two-seater aircraft with a mission to fly some 24,000 meters (over 78,000 feet) above earth set](https://c8.alamy.com/comp/2CR8FFW/test-pilot-damian-hischier-takes-off-for-a-test-flight-of-the-solarstratos-aircraft-a-solar-powered-two-seater-aircraft-with-a-mission-to-fly-some-24000-meters-over-78000-feet-above-earth-set-to-take-place-in-2018-in-payerne-switzerland-may-5-2017-reutersdenis-balibouse-2CR8FFW.jpg)
Test pilot Damian Hischier takes off for a test flight of the SolarStratos aircraft, a solar-powered two-seater aircraft with a mission to fly some 24,000 meters (over 78,000 feet) above earth set
Lucia Valcarce - Country Profile Database Regional Coordinator - World Meteorological Organization | LinkedIn
![A Swiss Air Force F-5E Tiger aircraft lands in Payerne after a radioactivity measurements flight over Switzerland March 23, 2011. An aerosol collector is located under each wings of the aircraft and A Swiss Air Force F-5E Tiger aircraft lands in Payerne after a radioactivity measurements flight over Switzerland March 23, 2011. An aerosol collector is located under each wings of the aircraft and](https://c8.alamy.com/compfr/2cxj5n6/a-swiss-air-force-f-5e-tiger-aircraft-lands-in-payerne-after-a-radioactivity-measurements-flight-over-switzerland-march-23-2011-an-aerosol-collector-is-located-under-each-wings-of-the-aircraft-and-filters-the-air-to-collect-fines-particles-at-an-altitude-of-10000-meters-32808-feet-to-15000-meters-49212-feet-the-federal-office-of-public-health-foph-has-been-conducting-flights-on-a-regular-basis-in-the-past-years-to-monitor-the-radioactivity-but-due-to-the-situation-in-japan-decided-to-increase-them-until-end-of-march-2011-the-results-are-not-known-yet-reuters-denis-balibouse-s-2cxj5n6.jpg)
A Swiss Air Force F-5E Tiger aircraft lands in Payerne after a radioactivity measurements flight over Switzerland March 23, 2011. An aerosol collector is located under each wings of the aircraft and
![Test pilot Damian Hischier takes off for a test flight of the SolarStratos aircraft, a solar-powered two-seater aircraft with a mission to fly some 24,000 meters (over 78,000 feet) above earth set Test pilot Damian Hischier takes off for a test flight of the SolarStratos aircraft, a solar-powered two-seater aircraft with a mission to fly some 24,000 meters (over 78,000 feet) above earth set](https://c8.alamy.com/comp/2CPXDNH/test-pilot-damian-hischier-takes-off-for-a-test-flight-of-the-solarstratos-aircraft-a-solar-powered-two-seater-aircraft-with-a-mission-to-fly-some-24000-meters-over-78000-feet-above-earth-set-to-take-place-in-2018-in-payerne-switzerland-may-5-2017-reutersdenis-balibouse-2CPXDNH.jpg)
Test pilot Damian Hischier takes off for a test flight of the SolarStratos aircraft, a solar-powered two-seater aircraft with a mission to fly some 24,000 meters (over 78,000 feet) above earth set
![Test pilot Damian Hischier takes off for a test flight of the SolarStratos aircraft, a solar-powered two-seater aircraft with a mission to fly some 24,000 meters (over 78,000 feet) above earth set Test pilot Damian Hischier takes off for a test flight of the SolarStratos aircraft, a solar-powered two-seater aircraft with a mission to fly some 24,000 meters (over 78,000 feet) above earth set](https://c8.alamy.com/comp/2CJY3F6/test-pilot-damian-hischier-takes-off-for-a-test-flight-of-the-solarstratos-aircraft-a-solar-powered-two-seater-aircraft-with-a-mission-to-fly-some-24000-meters-over-78000-feet-above-earth-set-to-take-place-in-2018-in-payerne-switzerland-may-5-2017-reutersdenis-balibouse-2CJY3F6.jpg)