Is the exercise of authority and direction by the president, as commander in chief of the u. s. armed forces, through established command lines, over nuclear weapon operations by military forces; as chief executive over all government activities that support those operations; and as head of state over required multinational actions that support those operations.

Nuclear Command Control Center

Explanation:

The Nuclear Command Control Center is where US nuclear weapons control takes place. Here, all processes involving the use and activities of military origin related to the president's decisions on nuclear weapons and the use of weapons occur. In other words, we can say that the Nuclear Command Control Center is the exercise of authority and direction by the President, as Commander-in-Chief of the US Armed Forces,  through established command lines, on nuclear weapon operations by military forces; as executive director of all government activities that support these operations; and as Head of State on multinational actions needed to support these operations.

well 1 they have there leader that controls them