Related Clues:

• One
• Aldrin's craft
• Maven
• Breeze through
• The Red Baron was one
• Colonel's insignia
• Valuable diamond?
• Close friend, in slang
• Serve like Sampras, e.g.
• Adept
• Bird on a U.S. coin
• First-class
• Superlative
• Air hero
• One-spot