The 4th edition of the club was held on 8-10 April in Kraków and hosted by the Polish Army. The intent of this cyclical event is to exchange experience with training, service, operation and service of the K9 family. This construction is now the most commonly utilized kind of auto-propelled artillery in the world. 155 mm, whose number in usage will be constantly expanding due to subsequent orders for, for example, [Polish](https://defence24.pl/power-arms/Polish-buy-rail-k9-from-korei-south) or [India](https://defence24.pl/power-arms/India-order-additional-k9). Earlier editions of this event took place in Norway, Finland and South Korea.