Related Clues:

• Guantánamo Bay, e.g.
• The sort of establishment that might be at the bottom of the sea
• Place to find subs
• Fiery stuff served up with baked beans garnish in Portsmouth?
• Main HQ?
• Cruiser's home
• Pearl Harbor or Norfolk
• Set up an unusual lab aboard vessel in Devonport, perhaps
• *Place of warship?