This is interesting:


*"Pursuant to the Freedom of Information Act, I hereby request the
following records:*

*Records, emails, memos and reports relating to or mentioning the operating
system Plan 9 from Bell Labs"*


https://www.muckrock.com/foi/united-states-of-america-10/foia-cia-plan-9-from-bell-labs-82547/

???

Other than LANL, any idea what they might be fishing for?