Related Clues:

• With 58-Across, SEAL missions
• Like an armada
• __ blockade
• The 'N' of NCIS
• Fit for the fleet
• Of seagoing forces
• Like a battle in "Master and Commander"
• Like aircraft carriers
• Like WWII battles in the Pacific
• Like a sub
• Like the service academy in Annapolis
• Part of NCIS