“When you walk past the graves, it is especially striking that those boys were often not older than twenty,” Maarten van Rossem muses as he walks past the graves on the Grebbeberg. “Militaries who were inexperienced and poorly trained and I think still had weapons from the First World War.” Guide of museum ‘Grebbe line in sight’ Chris Sangers confirms that immediately. “It was a mess and apart from the fact that the boys were poorly trained, communication was poor. The entire army was operationally nothing.”