War of Western Europe

August-October, 1944
 
On August 16,The  557th AAA Aw was attached to the US 9th Infantry Division which  was among the first U.S. combat units to engage in offensive ground operations during World War II. http://en.wikipedia.org/wiki/9th_Infantry_Division_(United_States)#Combat_Chronicle.the division took part in the St. Lo break-through and in August helped close the Falaise Gap. Turning east, the 9th crossed the Marne, 28 August, swept through Saarlautern, and in November and December held defensive positions from Monschau to Losheim. Moving north to Bergrath, Germany, it launched an attack toward the Roer, 10 December, taking Echtz and Schlich.
 
Combat Chronicle
Operation Cobra : the break-out

 

  The Americans enter Coutances

Marigny: the start of the American break-out

  For nearly a month, the Americans had been bogged down in the hellish war of the hedgerows. Operation Cobra, launched at the end of July, would at long last open a decisive gap in the German lines. General Bradley, commanding the First Army, had worked out his strategy extremely carefully. Aerial saturation bombing over a limited area would briefly destroy all the defences there and create a breach through which his forces could pour. The area he chose lay between the villages of La Chapelle-Enjuger and Hébécrevon, a few kilometres north of the main road between Saint-Lô and Coutances.

 

      An initial attempt, on July 24th, proved disastrous, as the bombers dropped some of their projectiles on the American front lines, killing or wounding 150 men. Despite this, a second attempt was made the very next day. For three hours, 1,500 B-17 and B-24 bombers pummelled the target, supported by medium bombers and fighter bombers attacking with napalm. This time, the Germans did not escape so lightly. General Bayerlein’s Panzer Lehr, which had only recently arrived in the sector, was literally blown to pieces. 45-tonne Panther tanks were lifted off the ground by the force of the explosions and torn apart like children’s toys. Infantrymen were buried alive in their shelters. The few, shell-shocked survivors either surrendered without a fight or fled.

      Even so, it was certainly no picnic for the American infantry. Fierce fighting continued throughout the 25th, as efforts were made to open up a passage for the armoured vehicles. Now that they had been fitted with the famous hedge-cutting devices invented by Sergeant Cullins, the American tanks were able to rip their way through the thickets with the greatest of ease.

The American columns race south