When is the Space Force Birthday celebrated?

The Space Force Birthday is celebrated on December 20, 2019. On this date, the United States Space Force was officially established as the sixth branch of the U.S. Armed Forces. This date marks a significant milestone in U.S. military history, as it reflects the country's commitment to space operations and defense. The establishment of the Space Force highlights the increasing importance of space as a domain for strategic operations, emphasizing readiness and national defense related to space activities. The other dates listed do not represent the formal establishment of the Space Force; instead, they are associated with different events or milestones in the history of U.S. military branches or related operations.