BAE successfully tests solar-powered high-altitude plane

Washington DC (UPI) Feb 18, 2020

A solar-powered unmanned aircraft with a wingspan of 114 feet completed its maiden high-altitude flight in the stratosphere, maker BAE Systems said on Monday. The plane, called PHASA-35, which stands for Persistent High altitude Solar Aircraft and its wingspan measured in meters, is meant to fly about 32 miles above the earth in the space, in the upper atmosphere between conventional aircr