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.
The Guardians of the 11th Space Warning Squadron were honored as the top U.S. Space Force unit for 2024 for their role in thwarting Iranian missile barrages last year.