The National Personnel Records Center holds service records for older separations. Requests can be filed online or with Standard Form 180, and turnaround varies considerably by branch and era.
Military Service Records Request
What it is for
Request path for military service records held by the National Personnel Records Center, used when milConnect cannot produce the DD-214.
Form number
SF-180
Phone
314-801-0800
Not affiliated with or endorsed by the U.S. Department of Veterans Affairs. Always confirm details on the official page linked above.