DD Form 214 - Certificate of Release/Discharge
DD Form 215 - Correction to DD Form 214
NGB Form 22/22A - National Guard Separation
DD Form 256 - Honorable Discharge (Reserves)
DD Form 257 - General Discharge
ERB - Enlisted Record Brief (Active Duty)
ORB - Officer Record Brief (Active Duty)
Active Duty Orders - Current orders
Military ID Card - CAC or active duty ID
LES - Leave and Earnings Statement
Other official military records showing proof of service