What documents do I need to enter the US if I am a sea crew member with a C-1 and D nonimmigrant visa during COVID-19?

What documents do I need to enter the US if I am a sea crew member with a C-1 and D nonimmigrant visa during COVID-19?

What documentation do I need if I am a sea crew member traveling with a C-1 and D nonimmigrant visa? You will need to show Your C-1 and D visa; AND An official letter from your employer (paper or digital) indicating your entry to or transit through the United States is required for the purpose of operating a vessel or return travel after disembarking the vessel consistent with your visa and official letter. Oct 25, 2021