Veterans must have served in the Armed Forces during one of the periods listed below, or have been awarded an expeditionary medal, which should be indicated on the DD-214 [Military Discharge].

Persian Gulf	8/2/90 to present
Vietnam	2/28/61 to 5/7/75
Korea	6/27/50 to 1/31/55
World War II	12/7/41 to 12/31/46
Russian Service	4/6/17 to 4/1/20
World War I	4/6/17 to 11/11/18