Firing contest of mortarmen under large combined units at all levels takes place on occasion of significant April 25Firing contest of mortarmen under large combined units at all levels takes place on occasion of significant April 25Firing contest of mortarmen under large combined units at all levels takes place on occasion of significant April 25Firing contest of mortarmen under large combined units at all levels takes place on occasion of significant April 25Firing contest of mortarmen under large combined units at all levels takes place on occasion of significant April 25Firing contest of mortarmen under large combined units at all levels takes place on occasion of significant April 25