Finance Ministry, Defense Ministry, and National Security Council in an attempt to strengthen economic and trade ties and discuss the Iranian nuclear program. Lieberman also sought to strengthen ties with countries in Eastern and Central Europe. In a 2011 interview, Netanyahu said that Lieberman had opened important doors that had been closed to Israel before. Minister of Defense In June 2016, Lieberman was appointed Israel's Minister of Defense, as a result of his party joining the government coalition. Lieberman's first action as Defense Minister was to approve equal rights for the bereaving families of Lesbian, Gay, Bisexual, and Transgender soldiers. Avigdor Lieberman issued an official document on behalf of the Defense Ministry in June 2016 declaring that the ministry "views same-sex and heterosexual families of fallen soldiers equally, and operates in accordance with this equality so that there is no difference in recognition and rights." In October 2018, he appointed Maj.-Gen. Aviv Kochavi, as the Chief of Staff of the Israel Defense Forces. Lieberman resigned on 14 November 2018 in protest of the ceasefire with Hamas. Views and opinions Lieberman believes the peace process is based on three false basic assumptions: that “Israeli-Palestinian conflict is the main cause of instability in the Middle East; that the conflict is territorial and not ideological; and that the establishment of a Palestinian state based on the 1967 borders will end the conflict." In late May 2004, Lieberman unveiled the Lieberman Plan, proposing that the populations and territories of Israeli Jews and Arabs, including some Arab citizens of Israel, would be "separated". According to the plan, also known as the "Populated-Area Exchange Plan", Arab towns in Israel adjacent to Palestinian Authority areas would be transferred to Palestinian Authority, and only those Arab Israelis who migrated from the area to within Israel's new borders and pledged loyalty to Israel would be allowed to remain Israeli citizens. On 30 May 2004, Prime Minister Ariel Sharon condemned Lieberman's statements, stating "We regard Israeli Arabs as part of the State of Israel." On 4 June 2004, as the disputes over the up-coming disengagement plan grew more intense, Sharon dismissed Lieberman from the cabinet. After the 2009 Israeli elections, Lieberman said he changed his mind in recent years and decided to support the creation of a Palestinian state. He wrote in a letter to The Jewish Week that he "advocates the creation of a viable Palestinian state", and told