Possible Clues:

• Suited for night warfare, by the sound of it
• Protectively covered
• Protected, like a Round Table knight
• Section the editor we have protected
• Get out editor ready to fight - duly protected
• Having protective covering
• A Marine, our lad, equipped to go into battle
• A small room Times editor made bullet-proof?
• Protected from weapons
• Endlessly regret being captured by a Soviet type of brigade