Related Clues:

• Sea-going craft
• Large vessel
• It's armed at sea
• Fighting vessel
• Navigable vessel
• Oceangoing vessel
• Junk, e.g
• The Constitution, for one
• One might have busy hands
• Santa Maria, e.g
• Niña or Pinta
• Use UPS, say
• Send, as packages
• Castaway's relief
• Liner or tanker