Related Clues:
- Conflict in the air, a clash between setters, perhaps
- Reason for a rabies shot
- Engagement in the air?
- Shadow-boxing that's highly aggressive?
- In which Snoopy battles Red Baron?
- Aerial engagement
- Clash between boxers perhaps that Sky would stage?
- Follow key number, heading off for battle
- A match for boxers coming to blows - a contest that's up there with the best of them?
- High-level engagement, a contest for setters?
- Canine battle (in the air?)
- Close combat between military planes
- Scrap extremely garish suit jackets after trouble
- Ace-versus-ace sky battle