Yitzhak Rabin operations during Israel's War of Independence. He joined the newly formed Israel Defense Forces in late 1948 and continued to rise as a promising officer. He helped shape the training doctrine of the IDF in the early 1950s, and led the IDF's Operations Directorate from 1959 to 1963. He was appointed Chief of the General Staff in 1964 and oversaw Israel's victory in the 1967 Six-Day War. Rabin served as Israel's ambassador to the United States from 1968 to 1973, during a period of deepening U.S.–Israel ties. He was appointed Prime Minister of Israel in 1974, after the resignation of
Yitzhak Rabin of 1973 he was elected to the Knesset as a member of the Alignment. He was appointed Israeli Minister of Labour in March 1974 in Golda Meir's short-lived government. While serving as ambassador, Rabin met and formed a relationship with Menachem M. Schneerson. Following Golda Meir's resignation in April 1974, Rabin was elected party leader, after he defeated Shimon Peres. The rivalry between these two Labour leaders remained fierce and they competed several times in the next two decades for the leadership role, and even for who deserved credit for government achievements. Rabin succeeded Golda Meir as Prime Minister of