Related Clues:

• Mail away
• Scow or skiff
• Salt container?
• Citizen or scholar closer
• Ocean traveler
• Source of ocean treasure, perhaps
• One of the S's in U.S.S.
• Use FedEx
• Ocean liner
• Use DHL, say
• "Mister Roberts" setting
• Aircraft carrier, e.g.
• Certain Atlantic crosser
• Felucca, e.g.
• Send via DHL, say