United States Northern Command (USNORTHCOM) is a unified combatant command of the U.S. Department of Defense. Established in 2002, its primary mission is to protect the homeland and support civil authorities during emergencies. USNORTHCOM oversees military operations in North America, including the United States, Canada, and Mexico. The command coordinates with various agencies, such as the Federal Emergency Management Agency (FEMA), to respond to natural disasters and other crises. It also plays a role in defending against potential threats, ensuring the safety and security of the American people and critical infrastructure.