Light & Strong produces composite materials and develops solutions for the solar-powered, high-altitude, long-range unmanned aerial vehicle (UAV) market. The company's SunSpark is a solar-powered, lightweight UAV. Its rechargeable battery charges during the day and powers flight at night. Flying at 65,000 feet, it is immune to all weather and can stay aloft for years. SunSpark can be used for agricultural monitoring. Using high-resolution infrared photography, it can detect water, nutritional strains, land degradation, and insect damage, reducing the use of water and chemical treatments. Light & Strong meets the AS9100C aeronautical standard and exclusively produces the complete fuselage and wings for the Hermes 450 UAV.