Earthquake-affected evacuees receive rice rations from Japanese Self-Defense Forces personnel at the Mashiki village office in Kumamoto prefecture on April 17, 2016. Rescuers were racing against the weather and the threat of more landslides April 17 to reach people still trapped by two big earthquakes that hit southern Japan. / AFP PHOTO / KAZUHIRO NOGIKAZUHIRO NOGI/AFP/Getty Images

Solar Impulse 2 pilot Andre Borschberg (L) addresses the media with Bob Stojanovic (R) of ABB Group - Automation and Power Technologies Director of Microgrids, during a press conference at Kalealoa Airport in Kapolei, Hawaii on April 15, 2016. The Solar Impulse 2 sun-powered plane is set to resume its record-breaking flight around the world within days, leaving Hawaii when weather permits. / AFP PHOTO / Eugene TannerEUGENE TANNER/AFP/Getty Images

Bob Stojanovic of ABB Group - Automation and Power Technologies Director of Microgrids, listens during a press conference for the Solar Impulse 2 solar powered airplane at Kalealoa Airport in Kapolei, Hawaii on April 15, 2016. The Solar Impulse 2 sun-powered plane is set to resume its record-breaking flight around the world within days, leaving Hawaii when weather permits. / AFP PHOTO / Eugene TannerEUGENE TANNER/AFP/Getty Images

Solar Impulse 2 pilot Andre Borschberg (L) addresses the media with Bob Stojanovic (C) of ABB Group - Automation and Power Technologies Director of Microgrids, during a press conference at Kalealoa Airport in Kapolei, Hawaii on April 15, 2016. The Solar Impulse 2 sun-powered plane is set to resume its record-breaking flight around the world within days, leaving Hawaii when weather permits. / AFP PHOTO / Eugene TannerEUGENE TANNER/AFP/Getty Images

Solar Impulse 2 pilot Andre Borschberg (L) addresses the media with Bob Stojanovic (R) of ABB Group - Automation and Power Technologies Director of Microgrids, during a press conference at Kalealoa Airport in Kapolei, Hawaii on April 15, 2016. The Solar Impulse 2 sun-powered plane is set to resume its record-breaking flight around the world within days, leaving Hawaii when weather permits. / AFP PHOTO / Eugene TannerEUGENE TANNER/AFP/Getty Images

Solar Impulse 2 pilot Andre Borschberg discusses the technology used to power solar flight during a press conference at Kalealoa Airport in Kapolei, Hawaii on April 15, 2016. The Solar Impulse 2 sun-powered plane is set to resume its record-breaking flight around the world within days, leaving Hawaii when weather permits. / AFP PHOTO / Eugene TannerEUGENE TANNER/AFP/Getty Images

Bob Stojanovic (L) of ABB Group - Automation and Power Technologies Director of Microgrids, greets Solar Impulse 2 pilot Andre Borschberg (R) during a press conference at Kalealoa Airport in Kapolei, Hawaii on April 15, 2016. The Solar Impulse 2 sun-powered plane is set to resume its record-breaking flight around the world within days, leaving Hawaii when weather permits. / AFP PHOTO / Eugene TannerEUGENE TANNER/AFP/Getty Images

Solar Impulse 2 pilot Andre Borschberg (L) confers with Bob Stojanovic (R) of ABB Group - Automation and Power Technologies Director of Microgrids, during a press conference at Kalealoa Airport in Kapolei, Hawaii on April 15, 2016. The Solar Impulse 2 sun-powered plane is set to resume its record-breaking flight around the world within days, leaving Hawaii when weather permits. / AFP PHOTO / Eugene TannerEUGENE TANNER/AFP/Getty Images