Your DD214 is your proof of military service. It shows the nature of your discharge, dates of service, and current classification (retired, separated, Guard or Reserve status).
The DD214 is usually issued at the final outprocessing appointment prior to retirement or separation.
If you lose your DD form 214, you will need to request a replacement copy for your records. The DD214 is your most important post-military document.
In order to use the DD form 214, you must be the service member or the service member's next of kin.
Some companies offer to get your DD214 for a fee. There's nothing a third party can do to speed up the process. They only work on your behalf and spare you the paperwork for a fee many people feel is unreasonable.