So close! Zephyr drone lands just hours before setting flight-duration record
An experimental high-altitude drone being tested in conjunction with the United States Army has ended its epic flight just hours before breaking the world record for longest flight duration.
![So close! Zephyr drone lands just hours before setting flight-duration record](http://cdn.mos.cms.futurecdn.net/rgDR5xzQKuJ94bWggqYiRj.jpg?#)