The United States Space Force is a branch of the U.S. Armed Forces responsible for organizing, training, and equipping military personnel to protect U.S. interests in space. Established on December 20, 2019, it focuses on space operations, satellite communications, and missile warning systems, ensuring national security in the increasingly important domain of outer space. The Space Force operates under the Department of the Air Force and works alongside other military branches to enhance space capabilities. Its mission includes deterring aggression in space, defending U.S. assets, and developing new technologies to maintain a competitive edge in space exploration and warfare.