| Through which coast radio station(s) may a U.S.-flag merchant vessel communicate? |
| A) Any coast radio station in the world that is licensed to provide such communications. |
| B) Any coast radio station in the world that is licensed to provide such communications, but prior authorization must be obtained for a U.S.-flag merchant vessel to communicate through a non-U.S. station. |
| C) The U.S. Coast Guard coordinates the communications and assigns the working channel. |
| D) U.S. flag ships are licensed to communicate only with U.S. coast radio stations. |
