After Israel's independence in 1948, Levanon served in a variety of roles to encourage the well-being and emigration of Soviet Jewry. Due to the covert nature of his work, Levanon's decades of service were largely unknown until after his retirement, during the last days of the Soviet Union.
Following Israel's independence in 1948, Levanon took on diverse roles aimed at enhancing the well-being and emigration of Soviet Jewry. Given his covert activities, Levanon's extensive service was largely concealed until after he retired during the twilight years of the Soviet Union.