For example , for the main gun , some MEKO 200s use the Mk 45 Mod 2 gun , others use the French 100 mm naval gun or Otobreda 76 mm gun .
Vessels of similar classes use different weapons systems .
For the main gun , some MEKO 200s use the Mk 45 Mod 2 gun , others use the French 100 mm naval gun or Otobreda 76 mm gun .
Vessels of similar classes use different weapons systems .