A man gives his information to an elections staff member at the interior ministry in Tehran to register as a candidate for the June 18 Iran presidential elections, May 11, 2021. (Photo: Vahid Salemi/AP)
The flags of Saudi Arabia (left) and Iran. Tehran on May 10, 2021 confirmed for the Islamic Republic had held secret talks with the Kingdom. (Photo: Archive)
Iran’s Governor to the IAEA, Kazem Gharib Abadi leaves the Grand Hotel Wien where closed-door nuclear talks take place in Vienna, Austria, May 7, 2021. (Photo: Lisa Leutner/AP)
Iran's Foreign Minister Mohammad Javad Zarif looks on during his meeting with his Iraqi counterpart in Iraq's capital Baghdad, April 26, 2021. (Photo: Ahmad al-Rubaye / AFP)
This September 2020 photo shows the coastal patrol ship USS Firebolt, deployed to Manama, Bahrain in the US 5th Fleet area of operations. (Photo: Spc. Terrell Sherman/US Army)
A US Navy photo shows an encounter between Iran’s IRGC Navy boat Harth 55, left, and the US Coast Guard patrol boat USCGC Monomoy in the Persian Gulf on April 2, 2021. (Photo: US Navy)
Abbas Araghchi, political deputy at the Ministry of Foreign Affairs of Iran, arrives at the ‘Grand Hotel Wien’ for the closed-door nuclear talks with the EU, China and Russia in Vienna on April 16, 2021. (Photo: Joe Klamar / AFP)
In this Dec. 23, 2019 photo, technicians work at the Arak heavy water reactor's secondary circuit, as officials and media visit the site, near Arak, Iran, 150 miles southwest of Tehran. (Photo: Atomic Energy Organization of Iran via AP)