D-1 Visa Crewman
- Crew members or employees serving on a commercial ship or aircraft whose services are required for normal operation of the ship or aircraft. This includes pilots, flight attendants, scientists, electricians, waiters, cooks, entertainers, barbers, lifeguards, and salespersons
- Individuals traveling to the U.S. as passengers to join a commercial ship or aircraft
D-2 Visa Crewman
- Crew members or employees serving on a fishing vessel having its home port or operating base in the U.S.
- Individuals traveling to the U.S. as passengers to join such a fishing vessel
