The men of Battery B of the 285th Field Artillery Observation Battalion wore uniforms, carried rifles and had been in combat zones, but they were not what anyone would consider frontline troops.

T/5 Max Schwitzgold
Their job was what their name implies, providing support to American artillery. Lightly armed and unaccustomed to waging war on their own, they knew they had no recourse when they were surprised by an elite German unit a day into what would become known as the Battle of the Bulge.
So they surrendered, and what happened next would become one of the darkest tales in the annals of the Second World War. Waffen-SS troops of the notorious Kampfgruppe Peiper opened up with vehicle-mounted automatic weapons and gunned down dozens of Americans who were standing in a muddy field at a crossroads near Malmedy, Belgium, with their hands in the air.
Dozens of American prisoners were massacred that day, among them a 34-year-old who ran a confectionery shop and luncheonette in Wilmington, Delaware, T/5 Max Schwitzgold.