President Roosevelt signs the National Defense Act of 1940, which authorizes a $300 million budget and 6,000 airplanes for the Army Air Corps and increases personnel to 3,203 officers and 45,000 enlisted troops.
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.