On May 18, 2021 at 17:37 UTC the "Atlas 5” rocket-carrier was launched from Complex 41 of Cape Canaveral launch site of US Air Force. The launch was performed by United Launch Alliance supported by the 45th Space Wing of US Air Force. The rocket orbited the U.S. military’s SBIRS GEO 5 satellite. The upgraded, cyber-hardened satellite will support the U.S. military’s missile defense systems.