SOUTHCOM is responsible for providing contingency planning, operations, and security cooperation in its assigned Area of Responsibility which includes:
The command is also responsible for the force protection of U.S. military resources at these locations. SOUTHCOM is also responsible for ensuring the defense of the Panama Canal.
Under the leadership of a four-star commander, SOUTHCOM's staff is organized into directorates, component commands and Security Cooperation Organizations that represent SOUTHCOM in the region.
SOUTHCOM is a joint command comprised of military and civilian personnel representing the Army, Navy, Air Force, Marine Corps, Space Force, Coast Guard, and several other federal agencies.