AWhat is NATO visa?
Officials and employees of the North Atlantic Treaty Organization (NATO) who will work for NATO in the United States need NATO visas
NATO-1 visa for permanent members of NATO or any of its subsidiaries, or for staff members of principal NATO representatives;
NATO-2 visa for representatives of members states of NATO or any of its subsidiaries, or advisors/technical experts to a NATO delegation;
NATO-3 visa for a member of the official clerical staff accompanying representatives of member states to NATO or any of its subsidiaries;
NATO-4 visa for foreign nationals classified as NATO officials;
NATO-5 visa for foreign nationals classified as NATO experts;
NATO-6 visa for members of a civilian component of NATO;
NATO-7 visa for attendants or personal employees of NATO-1 to NATO-6 visas.