When the cruiser carried Nikita Khrushchev and Nikolai Bulganin to Britain, diver Lionel Crabb disappeared during an unauthorized underwater reconnaissance effort in Portsmouth. Propeller measurements could improve estimates of the ship's performance and help acoustic tracking. Soviet protests, British cover stories, a disputed body identification, and later evidence of more than one diver complicate the case. Conflicting scar evidence and subsequent claims prevent a confident reconstruction of Crabb's death. The operation attached a human cost to technical naval intelligence and created political danger during a high-level diplomatic visit.
Chapter · 55:23-1:07:20
Ordzhonikidze and the unresolved Lionel Crabb espionage case
The 1956 attempt to inspect Ordzhonikidze's propeller becomes a study in naval intelligence, official denials, conflicting forensic evidence, and enduring uncertainty.