Over Northern California. A U-2 "Dragon Lady" high-altitude reconnaissance aircraft from Beale, Air Force Base, California, flies a training mission over northern California. U-2s are based at Beale, and the unit has four operational detachments worldwide. The U-2 provides continuous day or night, all-weather surveillance suporting US and allied ground and air forces. When requested, the U-2 also provides photographs to the Federal Emergency management Agency during disaster relief