December 20, 2023 marks the fourth birthday of the United States Space Force.
“On December 20, 2019, the United States Space Force (USSF) became the sixth branch of the Armed Forces. The Space Force was established within the Department of the Air Force (DAF) with the enactment of the FY2020 National Defense Authorization Act (NDAA).” https://fas.org/sgp/crs/natsec/IF11495.pdf
Learn More:
https://www.spaceforce.mil/
https://www.defense.gov/Explore/News/Article/Article/2452910/space-force-personnel-to-be-called-guardians/