Possible Clues:

• Act of aggression
• 'Charge!'
• Players between midfield and defense in lacrosse
• What follows a cry of 'Char-r-rge!'
• Engaged in change of course at sea in storm
• Ambush — mug — criticise — fit
• See 3-Down
• Set upon sporting action
• Take the offensive
• Set on a time to change direction