Operation Opera impossible for the Iraqis to take the necessary steps without being discovered. In Israel, discussions on which strategy to adopt in response to the Iraqi reactor development were taking place as early as [[Yitzhak Rabin|Yitzhak Rabin's]] [[Seventeenth government of Israel|first term in office]] (1974–1977). Reportedly, planning and training for the operation began during this time. After [[Menachem Begin]] became Prime Minister in 1977 the preparations intensified; Begin authorized the building of a full-scale model of the Iraqi reactor which Israeli pilots could practice bombing. Three Israeli pilots died in accidents while training for the mission. Israel's Foreign Minister [[Moshe Dayan]]
Yitzhak Rabin withdrew from the party leadership and candidacy for prime minister. Following his resignation and Labour Party defeat at the elections, Likud's Menachem Begin was elected in 1977. Until 1984 Rabin had been a member of Knesset and had sat on the Foreign Affairs and Defense Committee. From 1984 to 1990, he served as Minister of Defense in several national unity governments led by prime ministers Yitzhak Shamir and Shimon Peres. When Rabin came to office, Israeli troops were still deep in Lebanon. Rabin ordered their withdrawal to a "Security Zone" on the Lebanese side of the border. The South Lebanon