Related Clues:
- Order yours truly to follow squadron leader in battle
- Belgian-French river
- W.W. I battle site at which the tank was introduced
- Department in Picardy
- Amiens' river
- French 2 down
- Thousand involved in quite a battle
- Mayhem mostly engulfing retreat in battle site
- Belgian/French river
- French WWI battle site
- French battle site of WWI
- Millions invested in a little river of north-eastern France
- Wine waiters lose half the battle
- WWI battle river
- Current one sitting on the right avoids soup