Military Intelligence Ribbon 250 or 1000 posts?

(i mean 1500 posts) I wonder how many posts do i need to get the ribbon:( in this thread [GM]Saidin said need 1500 posts to get the ribbon BUT here said need only 250 posts>>>http://crossfire.z8games.com/guide_ribbons.aspx#anchor_1
so 250 or 1500 posts ? can someone tell me