The first Grand Slam (22,000-pound) bomb is dropped from an Avro Lancaster flown by Royal Air Force Squadron Leader C.C. Calder. Two spans of the Bielefeld railway viaduct in Germany are destroyed.
An important U.S. Air Force E-3 Sentry AWACS command and control plane was among the aircraft damaged in a March 27 Iranian missile and drone attack on Prince Sultan Air Base, Saudi Arabia, people familiar with the matter told Air & Space Forces Magazine.