Related Clues:

• Sgt.'s mail drop
• See 8-Down
• Sgt.'s address
• Part of a milit. address
• Part of a G.I.'s address
• Word for a superior
• Title of respect
• Mail letters
• Elton John, e.g.
• Elton John or Mick Jagger
• Knight, by definition
• 'Yes, ___!'
• Base address
• Round Table address
• 'Mister!'