He was re-elected again in 1981, but resigned from the Knesset on 19 January 1982 when appointed ambassador to the United States. At this point, he brought his young protégé, Benjamin Netanyahu, then 32, to work for him in Washington. He returned to Israel in February 1983 after being appointed Minister of Defense, replacing Ariel Sharon, who had been forced out of office following the Kahan Commission's report on the Sabra and Shatila massacre. He was re-elected in 1984, but was only appointed Minister without Portfolio. After another re-election in 1988 he was appointed Minister of Foreign Affairs (with Netanyahu his deputy), and in 1990 returned to the Defense portfolio.