This solar-powered British drone will surveil from the stratosphere

This solar-powered British drone will surveil from the stratosphere

Post Views: 315 PHASA-35 stands for “Persistent High Altitude Solar Aircraft.” The number 35 is its wingspan in meters: that’s 115 feet, as wide as those of a Boeing 737. But the carbon fiber aircraft weighs a mere 330 pounds, which is one three-thousandth the weight of the 737. The drone is a high-altitude long-endurance…