The CIA's most classified assessments reveal that both superpowers built their surface fleets on fundamentally flawed assumptions about modern naval warfare. Volume 6 of Cold War Soviet Naval Intelligence exposes the intelligence community's stark conclusions about the obsolescence of conventional warships in the missile age. These declassified documents demonstrate how Soviet aircraft carriers and battle cruisers represented prestige projects rather than effective weapons systems, while simultaneously revealing CIA analysis that questioned the survivability of America's own carrier battle groups. Through comprehensive fleet assessments and tactical evaluations, intelligence analysts documented the Soviet Navy's struggle to project power beyond coastal waters despite massive investments in surface vessels. The documents reveal how anti-ship missiles, submarine threats, and electronic warfare capabilities rendered traditional naval doctrine increasingly irrelevant for both East and West. From the limitations of Soviet carrier aviation to the vulnerability of guided missile cruisers, these intelligence files illuminate the gap between naval ambitions and operational reality during the Cold War's most dangerous decades. The analysis extends beyond Soviet capabilities to question fundamental assumptions about surface fleet effectiveness that influenced decades of military planning. Discover what CIA analysts really knew about the future of naval warfare.