On the russian starconflict wiki, the empire bonus is 1% damage to main weapons whereas on the english starconflict wiki the bonus is 5%. Did someone mistype? Which bonus is correct?
links:
http://wiki.star-conflict.ru/index.php?title=%D0%98%D0%BC%D0%BF%D0%B5%D1%80%D0%B8%D1%8F
http://wiki.star-conflict.com/index.php?title=Empire