As far as I know you have to do 20 to get a pension and I don't believe its changed but you do get a lump sum payment for all your pension contributions
I don't think he would be in the military for 20 years yet.....but then again he is 39 years old. He did start right after HS so maybe it has been 20 years....maybe he will get the increase after 25 years.......can't remember it was a month ago at the lake I talked to him and I didn't want to be too nosey in his business.