American Pershing gets increased penetration (approximately 35%) on its main gun when the 76mm Gun upgrade is researched at Tank Depot (note, help text has not been localized).

• 美军潘兴当坦克工厂的主炮升级被使用后，会获得35%25的穿透升级，注意这个升级在区域版（包括中文）的帮助文字中没有加入