Chances are they have all been declassified, most OP and FO reports have been declassified and are available on the web. Hope this helps.
OK Thank you!
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Thank you, I just sent an email.
You are correct in questioning the status of your documents, and as Elliot suggests, chances are they no longer contain sensitive national security information. However, as a retired declassification archivist, I will say that your collection needs to have its classification markings officially cancelled prior to their being presented to the public.
There is a NARA organization that can help you—the Information Security Oversight Office (ISOO). I would reach out to my former NARA colleagues to point you to the best point of contact at ISOO.
I hope you find this information helpful.