The American reconnaissance unit was part of the 30th Division (Old Hickory) of the 1st Army. In the late afternoon of 13 September 1944, units of the Old Hickory Division, coming from Gronsveld in the south, entered the Maastricht district of Wyck on the right bank of the river Meuse. One day later, the liberation of the left bank of the Meuse followed. After exactly four years, four months and four days, the capital of Limburg was the first city in the Netherlands to be liberated.
Casemate 43 is of the porcupine type and was part of the Delay Line of the Geul Line built in 1939, shortly before the German invasion in May 1940. The crew had to guard the road to the Belgian town of Veldwezelt.