Zuider Zee disc-shaped object report — March 25, 1942

On March 25, 1942 at Zuider Zee, Netherlands, an RAF bomber returning from a raid on Essen, Germany, was followed by a luminous orange disc or sphere. As it came closer the tail gunner opened fire on it, to no apparent effect. Finally it sped away at an estimated 1,000 m.p.h.