Title: The Crabb enigma
Subjects: Death and burial, British Espionage, Underwater demolition teams, Disappeared persons, Foreign relations, Diplomatic relations, Espionage, british, Great britain, foreign relations, soviet union, Soviet union, foreign relations, great britain, Great britain, foreign relations, 20th century, Soviet union, foreign relations, 1945-1991
Places: Great Britain, Soviet Union
People: Lionel Crabb (1909-1956), Lionel Crabb (1909-), Lionel Crabb (1909-1956?)
Time periods: 1945-1964, 1945-1991