Possible Clues:

• Sea animal needing work after month
• Month at work for army swimmer
• Seafood dish of the month followed by canned soup
• Army threat to sailor?
• One indeed armed at sea!
• Sea creature's tentacles served as food
• Tako, on a sushi menu
• Metaphor for a conglomerate
• Old copper's holding child's toy sea creature
• Widely influential person backing business with leading American