The AFGSC A2 (Air Force Global Strike Command Advanced Warning and Attack System A2) is a strategic missile alert system operated by the United States Air Force. Its primary function is to provide early warning of potential missile attacks against the U.S., as well as the authority for launching nuclear-capable aircraft in response. The AFGSC A2 operates from various locations, including the North American Aerospace Defense Command (NORAD) and Cheyenne Mountain Complex in Colorado. It forms a crucial part of the U.S.’s defense strategy and global strike capabilities.