In this picture released by the official website of the office of the Iranian supreme leader, deputy commander of Iran’s army air force Gen. Hamid Vahedi chants slogan during a meeting of army’s air force and air defense staff with Supreme Leader Ayatollah Ali Khamenei, in Tehran, Iran, Sunday, Feb. 7, 2021. Khamenei said the U.S. must lift all sanctions if it wants Iran to return to its commitments to the nuclear deal with Western powers. (Office of the Iranian Supreme Leader via AP)