Related Clues:

• On-board assent
• Mate's reply
• 'Yes, cap'n!'
• Salt's agreement
• Naval affirmative
• Salt's assent
• Deck reply
• Swab's assent
• Sailor's ''yes''
• Naval assent
• ''Si, si'' at sea
• Sailor's OK, and a phonetic hint to this puzzle's theme
• ''Roger,'' at sea
• Assent asea
• Cry with a salute