An H-3 classification applies to an alien who is coming temporarily to the United States:
(1) As a trainee, other than to receive graduate medical education or training, or training provided primarily at or by an academic or vocational institution, or
(2) As a participant in a special education exchange visitor program which provides for practical training and experience in the education of children with physical, mental, or emotional disabilities.
The H visa category for temporary non-immigrant visas includes several categories: