A lot of questions have been asked: How do you move up in rank? (or something of the sort)
So rather thank answer each question, I decided to lay out the structure here behind the rank images and titles. Posting in the contest forum will not count towards your post count.
Private: 0 to 14 posts
Private First Class: 15 to 24 posts
Specialist: 25 to 49 posts
Corporal: 50 to 99 posts
Sergeant: 100 to 249 posts
Staff Sergeant: 250 to 499 posts
Sergeant First Class: 500 to 749 posts
Master Sergeant: 750 to 999 posts
First Sergeant: 1,000 to 1,499 posts.
Sergeant Major: 1,500 to 1,999 posts
Command Sergeant Major: 2,000 to 2,499 posts
2nd Lieutenant: 2,500 to 2,999 posts
1st Lieutenant: 3,000 to 3,499 posts
Captain: 3,500 to 3,999 posts
Major: 4,000 to 4,499 posts
Lieutenant Colonel: 4,500 to 4,999 posts
Colonel: 5,000 to 5,999 posts
Brigadier General: 6,000 to 6,999 posts
Major General: 7,000 to 7,999 posts
Lieutenant General: 8,000 to 8,999 posts
General: 9,000 to 9,999 posts
Commander: 10,000 to 14,999 posts
Right now we just have it set for 15,000 posts or more for prestige in general, no different ranks of prestige at this point. You will also find other ways to be a prestige member. At 15,000 or more posts you can customize your own title as well.