Related Clues:

• See 18-Down
• Old coin
• Something to shoot for
• Even
• Get a 3 on a 3, e.g.
• Shooter's target
• Go for it
• Standard
• Aldrin's craft
• Round number
• It's frequently 72
• Colonel's insignia
• It's normal for 28-Down
• Keep
• Bird on a U.S. coin