Firing contest of mortarmen under KPA large combined units held to mark significant April 25Firing contest of mortarmen under KPA large combined units held to mark significant April 25Firing contest of mortarmen under KPA large combined units held to mark significant April 25Firing contest of mortarmen under KPA large combined units held to mark significant April 25Firing contest of mortarmen under KPA large combined units held to mark significant April 25Firing contest of mortarmen under KPA large combined units held to mark significant April 25