The document discusses small unmanned aerial vehicles (UAVs) and their limited endurance due to poor battery life, heavy payloads, and small airframes. It proposes using solar power to enable UAVs to fly longer. ALTA Devices is introduced as a company that manufactures high-efficiency solar cells and can help add solar power to UAVs to improve their endurance by leveraging the sun as an energy source. The document emphasizes that endurance is important for UAVs.