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The U.S. Space Force’s evolution traces back to 1958 with the launch of Explorer 1, signaling the start of America’s commitment to space exploration and security. Over the years, space became essential to national defense, marked by milestones like the 1982 establishment of Space Command, the operational use of space assets during the 1991 Gulf War, and the 1998 Rumsfeld Commission’s warning about space as a potential theater of conflict, all underscoring the need for a dedicated space military branch. The 2019 creation of the U.S. Space Force affirmed this need, followed by significant achievements such as its first rocket launch in 2020, the commissioning of its first officers, taking control of SATCOM missions in 2022, launching its first Falcon Heavy in 2023, and completing its final Delta IV Heavy launch in 2024, reinforcing its pivotal role in safeguarding U.S. space interests.  
Space Force Earth Space Graphic 1958: U.S. First Satellite Launched The launch of Explorer 1 on January 31, 1958, marked the U.S.‘s entry into space exploration and laid the groundwork for the nation’s strategic focus on space. 1982: Space Command Established The U.S. Space Force Space Operations Command (SpOC) originated on September 1, 1982, as Space Command, later Air Force Space Command, and was redefined as SpOC in 2019 to secure U.S. interests in space. 1991: Space Assets in the Gulf War The successful use of GPS and satellite communications in the Gulf War showcased the critical role of space technology in modern military operations, demonstrating its operational importance. 1998: Rumsfeld Commission Report On July 15, 1998, The Rumsfeld Commission report warned of the increasing possibility of space becoming a theater of warfare and stressed the need for the U.S. to prepare for space-based conflict. 2019: Creation of the U.S. Space Force On December 20, 2019, the National Defense Authorization Act was signed, officially establishing the U.S. Space Force. This marked the creation of a dedicated military branch for space-based national defense. 2020: The First Space Force Rocket Launch On March 26, 2020, amid the COVID-19 pandemic, the 45th Space Wing successfully launched the U.S. Space Force’s first payload, Atlas V AEHF-6, while implementing safety measures such as physical distancing and virtual coordination to ensure mission success. 2020: Space Force Welcomes its First Air Force Academy Graduates On April 18, 2020, 86 graduates from the U.S. Air Force Academy became the first officers commissioned into the U.S. Space Force, marking a historic step in building the new military branch to defend American interests in space. 2022: Space Force Takes Over SATCOM Missions In 2022, the U.S. Space Force assumed control of all SATCOM missions, with the Navy’s mission transferring on June 6 and the Army’s 53rd Signal Battalion on August 15, consolidating SATCOM under a single service. 2023: Space Force Launches its First Falcon Heavy The December 28, 2023, Falcon Heavy USSF-52 mission marked the U.S. Space Force’s commitment to national defense and technological advancement, showcasing enhanced launch capabilities for secure space operations. 2024: Final Delta IV Heavy Rocket Launch by the Space Force The United States Space Force's final Delta IV Heavy rocket launch took place on April 9, 2024 at 12:53 PM EDT from Space Launch Complex-37 at Cape Canaveral Space Force Station in Florida. The rocket carried the NROL-70 mission for the National Reconnaissance Office (NRO).

 

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Schriever

Gen. Bernard A. Schriever

General Bernard A. Schriever, known as the father of the U.S. Air Force space and missile program, served from 1931 to 1966 and significantly shaped American space capabilities during the Cold War. He led the development of intercontinental ballistic missiles (ICBMs) and advanced space technology, altering U.S. defense strategy. Schriever’s visionary leadership laid the foundation for satellite communication, missile defense, and space reconnaissance, crucial to the eventual creation of the U.S. Space Force. His legacy endures in the Space Force’s mission to secure and advance national interests in space.

Raymond

Gen. John W. “Jay” Raymond

Known as the First Guardian, General John W. “Jay” Raymond served as the first Chief of Space Operations (CSO) of the U.S. Space Force from December 20, 2019, when the Space Force was officially established, until November 2, 2022. As the inaugural CSO and the first official space force guardian, Raymond played a pivotal role in shaping the new branch, leading its development and ensuring the organization’s focus on enhancing national security through space operations. His leadership marked the foundational years of the Space Force, setting strategic priorities and solidifying the force’s role in protecting U.S. interests in the increasingly contested space domain.

Towberman

CMSgt. Roger A. Towberman

Chief Master Sgt. Roger A. Towberman, the Second Guardian, served as the first Chief Master Sergeant of the Space Force (CMSSF) from April 3, 2020, to November 3, 2023, becoming the second official space force guardian. In this historic role, Towberman provided senior enlisted leadership and advocacy during the formative years of the Space Force, helping to shape its culture, guide policy, and champion the development of enlisted personnel. His tenure was marked by a strong emphasis on professionalism, resilience, and fostering a unique identity for the new military branch as it adapted to the evolving challenges of space operations.



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