Because of the dryness at Edwards, it is VERY rare that rain creates puddles or a small lake on the lakebed. The compass rose allowed a pilot with a complete electrical failure and even a compass failure to still line up into the wind, and safely land on the lakebed. read more
Edwards Air Force Base, California World's Largest Compass Rose Etched into a dry lake bed, this massive directional indicator is accurate without magnets. read more