What is a Nonimmigrant Visa?
Each type of Nonimmigrant Visa comes with a different set of privileges. For example, an F-1 Student Visa gives the holder the privilege to study in the United States and a H-4 visa gives the spouse or child of an H-1, H-2 or H-3 visa holder the privilege to stay in the U.S. with his or her spouse, parent or guardian.
Aliens in Transit/ Crewmember
Alien in transit directly through U.S.
Combined transit & crewman visa
In transit to UN headquarters district under UN Headquarter Agreement §§ 11.(3), (4), or (5)
Foreign gov't official, immediate relatives, attendant, servant, or personal employee, in transit
Transit without Visa
Crewmember departing on same vessel of arrival
Crewmember departing by means other than vessel of arrival