Files compressed as .rar that claim to be "complete reports" are often used to distribute .
The string "SSBKS" appears in some SEC EDGAR filings as part of internal coding or data transmission logs (e.g., in Morgan Stanley filings), though it is not the name of the report itself.
In declassified Cold War-era documents from the CIA and the Department of Defense , "SSBKs" refers to a specific class of Soviet submarines (likely ballistic missile submarines) equipped with nuclear missiles. A "complete report" in this context might refer to the 1979 SCC Meeting Briefing Book on Theater Nuclear Forces (TNF) or related naval assessments.