US Northern Command (USNORTHCOM) is a unified combatant command of the United States Department of Defense. Established in 2002, its primary mission is to protect and defend the U.S. homeland, including Alaska, Hawaii, and its territories. USNORTHCOM coordinates military operations and supports civil authorities during emergencies, such as natural disasters or terrorist threats. The command works closely with other federal agencies, state and local governments, and international partners to ensure national security. USNORTHCOM also plays a role in monitoring and responding to potential threats from abroad, ensuring the safety of the American people and infrastructure.