Analysis of information sources in references of the Wikipedia article "Reprisal operations" in English language version.
the Israelis would have to accept a certain degree of friction in their relations with Egypt, and understand that such acts as the blockade and armed infiltration were political necessities for Egypt and not representative of any truly belligerent intention.
In July 1954 the head of Egyptian military intelligence in the Gaza Strip wrote: 'The main objective of the military presence along the armistice line is to prevent infiltration, but the Palestinian troops encourage the movement of infiltrators and carry out attacks along the line.'
(Nasser) refused to order his troops to cease firing at Israeli patrols – indeed, this practice was intensified after the Gaza raid
Israeli casualty statistics show that 7 or 8 Israelis were killed by infiltrators on the Gaza border annually from 1951 to 1954, with a dramatic rise to 48 in 1955.
On September 12 Egypt tightened its blockade of the Straits of Tiran and closed the air space over the Gulf of Aqaba to Israeli aircraft, forcing Israel to halt civilian flights to South Africa. During the following weeks Egyptian directed fedayeen attacked Israeli settlements and traffic across the Lebanese and Jordanian borders.
During December 1955 February I956 the Egyptians appear to have clamped down on civilian infiltration, but their troops fired across the line at Israeli patrols almost every day
Egyptian representatives were able to sign a new commercial agreement with Czechoslovakia on 24 October 1951, which included a secret clause stating that "the government of Czechoslovakia will provide the Egyptian government with arms and ammunition – to be selected by Egyptian experts – worth about 600 million Egyptian pounds, to be paid in Egyptian cotton." The Egyptian experts requested 200 tanks, 200 armored vehicles, 60 to 100 MIG-15 planes, 2,000 trucks, 1,000 jeeps, and other items.... Czechoslovakia would not be able to supply weapons to Egypt in 1952. And each year, from then until 1955, Prague kept finding new reasons to delay the shipments.