Related Clues:

• Ship-related
• Like the Battle of Trafalgar
• USNA part
• Of an armed service
• Like sea battles
• Well-protected, in a way
• Fleet-based
• Of fleets
• Like some blockades
• Like some engagements that don't end well
• Well-fortified, in a way
• Plated, in a way
• Like some military vehicles
• Like some ships
• All about ships