Operation Yo'av

Operation Yoav (also called Operation Ten Plagues or Operation Yo'av) was an Israeli military operation carried out from 15–22 October 1948 in the Negev Desert, during the 1948 Arab–Israeli War. Its goal was to drive a wedge between the Egyptian forces along the coast and the Beersheba–Hebron–Jerusalem road and ultimately to conquer the whole Negev. Operation Yoav was headed by the Southern Front commander Yigal Allon. The operation was named after Yitzhak Dubno, codenamed "Yoav" by his commanders in the Palmach. Dubno, a senior Palmach officer, was charged with planning and leading the defense of the kibbutzim Negba and Yad Mordechai. Dubno was killed in an air raid on Kibbutz Negba shortly after Egyptian forces began their offensive on Israel's southern front.

In the central and northern parts of Palestine, the Israelis had managed to make substantial territorial gains before the second truce of the war went into effect. But the southern Negev Desert, allocated to a Jewish state in the 1947 United Nations Partition Plan for Palestine, was still under Egyptian control. Despite the second truce, the Egyptians denied Jewish convoys passage through to the Negev, and captured positions beyond the truce demarcation lines.

Operation Ten Plagues (after the punishment God sent to the Egyptians for holding the Israelis captive in the Hebrew Bible) was made and approved at a Cabinet Session 6 October 1948. The operation came after at 14 October 1948 when a convoy consisting of 16 trucks was fired on as it passed through Egyptian positions.

Ralph Bunche, who had become UN mediator after the assassination of Count Folke Bernadotte, said:

The Operation coincided with Operation ha-Har, 18–24 October, in which the Harel and Etzioni Brigades attacked Egyptian controlled villages along the Jerusalem Corridor.

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