11 May 2022, Rhineland-Palatinate, Idar-Oberstein: The Bundeswehr artillery school in Idar-Oberstein. According to media information, soldiers from Ukraine are trained here on the Bundeswehr's self-propelled howitzer 2000. Photo: Boris Roessler/dpa

11 May 2022, Rhineland-Palatinate, Idar-Oberstein: The Bundeswehr artillery school in Idar-Oberstein. According to media information, soldiers from Ukraine are trained here on the Bundeswehr's self-propelled howitzer 2000. Photo: Boris Roessler/dpa

11 May 2022, Rhineland-Palatinate, Idar-Oberstein: Gun barrels stand for decoration purposes in front of the Bundeswehr artillery school in Idar-Oberstein. According to media information, soldiers from Ukraine are being trained here on the Bundeswehr's self-propelled howitzer 2000. Photo: Boris Roessler/dpa

11 May 2022, Rhineland-Palatinate, Idar-Oberstein: The Bundeswehr artillery school in Idar-Oberstein. According to media information, soldiers from Ukraine are trained here on the Bundeswehr's self-propelled howitzer 2000. Photo: Boris Roessler/dpa

11 May 2022, Rhineland-Palatinate, Idar-Oberstein: The Bundeswehr artillery school in Idar-Oberstein. According to media information, soldiers from Ukraine are trained here on the Bundeswehr's self-propelled howitzer 2000. Photo: Boris Roessler/dpa

11 May 2022, Rhineland-Palatinate, Idar-Oberstein: The Bundeswehr artillery school in Idar-Oberstein. According to media information, soldiers from Ukraine are trained here on the Bundeswehr's self-propelled howitzer 2000. Photo: Boris Roessler/dpa

11 May 2022, Rhineland-Palatinate, Idar-Oberstein: A tank stands on the grounds of the Bundeswehr artillery school in Idar-Oberstein. According to media information, soldiers from Ukraine are being trained here on the Bundeswehr's self-propelled howitzer 2000. Photo: Boris Roessler/dpa

11 May 2022, Rhineland-Palatinate, Idar-Oberstein: Gun barrels stand for decoration purposes in front of the Bundeswehr artillery school in Idar-Oberstein. According to media information, soldiers from Ukraine are being trained here on the Bundeswehr's self-propelled howitzer 2000. Photo: Boris Roessler/dpa

11 May 2022, Rhineland-Palatinate, Idar-Oberstein: A gun barrel stands for decoration purposes in front of the Bundeswehr artillery school in Idar-Oberstein. According to media information, soldiers from Ukraine are trained here on the Bundeswehr's self-propelled howitzer 2000. Photo: Boris Roessler/dpa

11 May 2022, Rhineland-Palatinate, Idar-Oberstein: A gun barrel stands for decoration purposes in front of the Bundeswehr artillery school in Idar-Oberstein. According to media information, soldiers from Ukraine are trained here on the Bundeswehr's self-propelled howitzer 2000. Photo: Boris Roessler/dpa

11 May 2022, Rhineland-Palatinate, Idar-Oberstein: The Bundeswehr artillery school in Idar-Oberstein. According to media information, soldiers from Ukraine are trained here on the Bundeswehr's self-propelled howitzer 2000. Photo: Boris Roessler/dpa

11 May 2022, Rhineland-Palatinate, Idar-Oberstein: The Bundeswehr artillery school in Idar-Oberstein. According to media information, soldiers from Ukraine are trained here on the Bundeswehr's self-propelled howitzer 2000. Photo: Boris Roessler/dpa