Prime ministership of Mir-Hossein Mousavi secret negotiations and dealing with USA on helping them free the American hostages in Lebanon, in return for sale of the American weapons and spare-parts that Iran's army badly needed for Iran–Iraq War. Shortly after the end of Iran–Iraq War on 20 August 1988, Ruhollah Khomeini died, and Ali Khamenei was elected as the new Supreme Leader by the Assembly of Experts. Following his death, Mousavi and his fellow left-wingers lost their main source of support within the establishment. During the parliament hearing on post-war reconstruction plans, Mousavi had heated arguments with Ali Akbar Hashemi Rafsanjani, the speaker of Iran's
Mohammad Hossein Jalali Mohammad Hossein Jalali Mohammad Hossein Jalali is an Iranian military official who served as minister of defense. Jalali was appointed minister of defense in October 1985 to the cabinet headed by Prime Minister Mir Hossein Mousavi. He replaced Mohammad Salimi as defense minister. Jalali was in office until August 1989. Jalali was a brigadier general and the commander of the Aerospace Force of the Islamic Revolutionary Guard Corps. He was appointed to this post in January 1992, replacing Hossein Dehghan. In November 1997, brigadier general Mohammad Bagher Ghalibaf replaced Jalali as commander of the air wing of the IRGC. Then