Would you like to learn more about Cargo Preference or the U.S. Merchant Marine? The following links may be helpful. The first set includes Maritime Administration information. The second set has point of contact information for U.S.-flag carriers.
I. MARITIME ADMINISTRATION CARGO PREFERENCE LINKS:
Civilian Agency Cargoes
Humanitarian (Agricultural) Aid Cargoes
II. U.S.-flag Carriers and Vessels (Points of Contact)