Second cycle of Guardians deploys to Korea for Missile Warning, Allied integration Published May 3, 2026 U.S. Space Forces Korea OSAN AIR BASE, Republic of Korea -- The second cycle of U.S. Space Force Guardians arrived here on the Korean peninsula on April 20 and will work alongside air, joint, and combined partners including the Republic of Korea. It is the latest example of joint space operation missions shared between the two militaries in the defense of U.S., ROK, and United Nations Command servicemembers, as well as more than 50 million civilians. “The Missile Warning deployments demonstrate the U.S. Space Force’s ability to seamlessly integrate with Allies and partners across the region,” said Col. John D. Patrick, Commander, Space Forces Korea. “This deployment showcases both the U.S. and ROK shared commitment to Allied combat power and global space superiority that is essential to protection of our homelands and our citizens, no matter where they are.” The deployed team is comprised of Guardians stationed all over the world who have proven capabilities to detect, track, and analyze missile launches in real-time. They also monitor infrared satellite data to verify threats, differentiate between missile types, and initiate defense countermeasures, ensuring a rapid response to prevent or mitigate impact. The missile warning cadre provides critical, time-sensitive alerts to military commands and national leaders to facilitate a shared response to any adversary. “The ROK AF has an extensive history of missile warning experience to share with us as we continue to integrate our capabilities,” said Patrick. “These six-month deployment cycles sharpen our Guardians’ skills to counter potential adversaries. Our working relationship with our Korean counterparts is a winning example of a shared defense.” While the first cycle of Space Force Guardians arrived in October 2025 with little fanfare, Patrick noted that such deployments have yielded tremendous strategic returns wherever U.S. forces are committed to the frontlines. Besides detection and tracking of threats and dissemination of real-time, actionable alerts to military forces, Guardians can determine the trajectory and potential target of ballistic and missiles and expanded the window for initiating countermeasures – the activation of defense systems in flight to counter incoming threats. The rotation of a dedicated Space Force cadre to Korea reflects the continued evolution of military capabilities and mission demands as technology advances across the battlefields of tomorrow. Patrick emphasized that these robust Space Force deployments sustain U.S. military lethality hundreds of miles away from U.S. servicemembers and citizens. “The greater the standoff distance from an adversary, the lesser the risk to our homelands,” said Patrick. “There will always be a space battlefield above us, but the Space Force has developed the capabilities across the space domain to project global combat power at any time and any place of our choosing, while deterring our adversaries. Our Missile Warning Guardians – U.S. and ROK alike – are always ready.”