Flag of the chairman of the state, Security of the USSR.
This flag features the arms of the Soviet Union on a red canton in a green field. It was introduced on April 21, 1964 as Флаг предÑÐµÐ´Ð°Ñ‚ÐµÐ»Ñ ÐšÐ¾Ð¼Ð¸Ñ‚ÐµÑ‚Ð° гоÑ. безопаÑноÑти (Flag of the chairman of the state, Security of the USSR).
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