Armor of only 50 on the upgrade seemed light since it's baseline is 40. The normal ratio of armor increase is X 2.5, so this has been applied to the 40. (results in 100 armor). Added damage resistance to the armor to increase it's effectiveness.
Added definition for class TANK.
This will make vehicles like the M113 much easier to correct in future roll outs as currently many of them have turret issues.