Other Nonimmigrant Visas

The CNMI-Only Transitional Worker (CW) visa classification allows employers in the Commonwealth of the Northern Mariana Islands (CNMI) to apply for temporary permission to employ foreign (nonimmigrant) workers who are otherwise ineligible to work under other nonimmigrant worker categories. The CW classification provides a method for transition from the former CNMI foreign worker permit system to the U.S. immigration system.

Crewmember (D) visas are given to persons working on board sea vessels or international airlines in the United States, providing services required for normal operation and intending to land temporarily and solely in the pursuit of his calling of being a crewmember.
The proper visa classification for crewmen is the D visa. However, the C-1 visa is also given to crewmen who will be in immediate and continuous transit through the U.S. to join a ship or aircraft in the U.S. Consular officials often issue a dual transit/crewmember visa called “C-1/D”.
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The A-1 diplomatic visa is a nonimmigrant visa granted to foreign officers of permanent diplomatic missions or consular posts to allow them to enter the United States and engage in official activities.
The Head of State or Government, without regard to his purpose of travel qualifies for an A visa. As for other diplomats and foreign government officials, your position within your country’s government and your purpose of travel determine whether you need an A-1 or A-2 visa. Immediate family members of diplomats and government officials receive A-1 or A-2 visas, with few exceptions. Personal employees, attendants, or domestic workers for diplomats and government officials (holding a valid A-1 or A-2 visa) may be issued A-3 visas.
To qualify for an A-1 or A-2 visa, you must be traveling to the United States on behalf of your national government to engage solely in official activities and perform functions that are governmental in nature for that government.
Any government official traveling to the United States to perform non-governmental functions like travelling as a tourist needs to obtain the appropriate visas. More Info

G visa is given to diplomats, government officials, and employees who will work for international organizations in the United States. NATO visa is given to officials and employees of the North Atlantic Treaty Organization (NATO) who will discharge functions for NATO in the United States.Depending on the position or designation, you may receive a G-1, G-2, G-3, G-4 visa, G-5 visa.

• G-1 – Permanent mission members of a recognized government to a designated international organization and their immediate family members
• G-2 – Representatives of a recognized government traveling temporarily to the United States to attend meetings of a designated international organization and their immediate family members
• G-3 – Representatives of non-recognized or non-member governments and their immediate family members
• G-4 – Individuals coming to the United States to take up an appointment at a designated international organization, including the United Nations, and their immediate family members
• G-5 – May be issued to personal employees or domestic workers of a G-1 – 4 visa holders.

The same applies to NATO visas. To receive a NATO-1, NATO-2, NATO-3, NATO-4, NATO-5, or NATO-6 visa, you must be traveling to the United States under the applicable provision of the Agreement on the Status of the North Atlantic Treaty Organization or the Protocol on the Status of International Military Headquarters Set Up Pursuant to the North Atlantic Treaty. This includes national representatives, international staff, and immediate family members. Personal employees or domestic workers of a NATO-1 – 6 visa holder may be issued NATO-7 visas.

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