A DARPA press release (PDF format) describes the test flight of a new micro air vehicle (MAV) called The Hornet. The 6 oz, 15 inch robot vehicle is the first MAV powered by a fuel cell. It flew for 15 minutes powered by a 10 watt fuel cell that doubled as the wing for the vehicle. The MAV was designed by AeroVironment. The fuel cell and hydrogen generator were fabricated by Lynntech, Inc.