The KGB considered releasing radioactive material in Tokyo Bay in the late 1960s, which it hoped would be blamed on American submarines and thereby damage Japanese-U.S. relations, according to a book published Monday by a former KGB archivist.
"The Mitrokhin Archive II," written by Vasili Mitrokhin, reveals several sabotage plans by KGB officers to sour Tokyo-Washington relations.
The book discloses that Foreign Ministry officials, journalists and politicians from both the right and the left were helping the Soviet Union during the 1960s and 1970s.
Mitrokhin was a senior KGB archivist from 1948 to 1984. He smuggled sensitive foreign intelligence to his home and took it with him when he defected to Britain in 1992.