Can someone explain how this works please? Do you need a certain length of service to take advantage? How much is it worth? Do you get cash or are your educational bills paid? Just a matter of personal curiosity.

http://www.gibill.va.gov/

Unless of course you do your time and your duty and they decide to pull the rug out from under you as happened to both my nephew and his best friend, screwed by the govt after they were in the national guard, signed on having been explicitly told education would be covered and after 6 years they got zip.