Keywords: 122mm howitzer in Rovajärvi Jul1997 001.jpg en A 122 mm D-30 howitzer being fired in the Rovajärvi military shooting range in northern Finland fi 122 H 63 -haupitsi laukaistaan Rovajärven ampuma-alueella own Methem Mikko J Putkonen 1997-07 1997 in Finland Artillery of Finland D-30 122 mm howitzer Rovajärvi |