>>20210292

CLASSIFICATION OF TALENT AND KEYHOLE INFORMATION - CIA https://www.cia.gov/readingroom/docs/CIA-RDP79B01202A000100050004-8.pdf

>>20210537

>>20210576

>>20210580

useful info

https://en.m.wikipedia.org/wiki/Sensitive_compartmented_information

>>20210590

https://web.archive.org/web/20160424005854/http://borntourist.com/index.php/corona-test-targets

>>20210652