The United States is intensifying efforts to isolate Iran from international banking and aviation networks as regional governments restrict financial and air links with Tehran. Treasury official Jonathan Burke spent two weeks travelling across the Middle East and Europe, warning trading partners that commercial ties with Iran could jeopardize their access to the U.S. financial system. Oman, the United Arab Emirates, Turkey, Azerbaijan and Georgia have since restricted Iranian airlines or financial institutions, while Britain plans not to renew waivers for Iranian banks operating in London. The campaign comes alongside broader U.S. sanctions targeting Iranian financial activity in Turkey and the UAE, though Iran retains important commercial links with China and Russia. Tehran is also seeking relief through diplomacy, including an offer to reopen the Strait of Hormuz if Washington eases military pressure and lifts its blockade.