Related Clues:

• Reason for some sirens
• Airman's assignment
• Sudden overwhelming bombardment
• What hawks do
• Fast-moving attack
• Cause of a WWII siren
• All-out attack
• Reason for a siren
• Attack like a hawk
• Attack like an eagle
• Drop like a roc?
• It might end in a sack
• Bombing attack
• Sudden charge in football
• Pilot's mission