Disarmament

Secretary of State Mike Pompeo speaks during a news conference at the State Department on Wednesday, March 25, 2020, in Washington. Pompeo said Wednesday that the Group of Seven members were all aware of China's "disinformation campaign" regarding the coronavirus outbreak, as the two countries dispute the origins of the disease. (Andrew Caballero-Reynolds/Pool Photo via AP)

Director General of International Atomic Energy Agency, IAEA, Rafael Mariano Grossi from Argentina, talks prior to the start of the IAEA board of governors meeting at the International Center in Vienna, Austria, Monday, March 9, 2020. (AP Photo/Ronald Zak)

Iranian Foreign Minister Mohammad Javad Zarif speaks on the second day of the Munich Security Conference in Munich, Germany, Saturday, Feb. 15, 2020. (AP Photo/Jens Meyer)

FILE - In this Monday, Feb 3, 2020, file photo, Iranian Foreign Minister Mohammad Javad Zarif, right, and European Union foreign policy chief Josep Borrell, shake hands for journalists prior to their meeting, in Tehran, Iran. Now that Britain has left the bloc, the EU hopes to find more time concentrate on its foreign policy. (AP Photo/Ebrahim Noroozi, File)

FILE - In this Wednesday, Oct. 9, 2019 file photo, a construction worker stands in front of a door with the EU stars at EU headquarters in Brussels. The Brexit process shook the EU foundations and laid bare the need for much-delayed renovations, but tthe question now is where to start the revamp and who is going to foot the bill. (AP Photo/Virginia Mayo, File)

Secretary of State Mike Pompeo, boards a plane as he departs on a multi-country trip, Thursday, Feb. 13, 2020, at Andrews Air Force Base, Md. (Andrew Caballero-Reynolds/Pool via AP)

FILE - In this Aug. 26, 2019, file photo, French President Emmanuel Macron and U.S President Donald Trump shake hands during the final press conference during the G7 summit in Biarritz, southwestern France. Famously muscular white-knuckle handshakes between Trump and Macron have served as metaphors for a difficult and turbulent relationship. (AP Photo/Francois Mori, File)

FILE - In this Jan. 9, 2008 photo released by the U.S. Navy, The Ohio-class ballistic-missile submarine USS Wyoming approaches Naval Submarine Base Kings Bay, Ga. The Pentagon's top policy official tells The Associated Press that the United States for the first time has deployed the newest addition to its nuclear arsenal — a submarine-launched weapon that the Trump administration says will make nuclear war less likely. (Lt. Rebecca Rebarich/U.S. Navy via AP)

FILE - In this Jan. 8, 2020, file photo a rescue worker searches the scene where a Ukrainian plane crashed in Shahedshahr southwest of the capital Tehran, Iran. The downing of a Ukrainian jetliner near Tehran highlights the limits of the civilian arm of Iran's government against the absolute power of the Shiite theocracy and the paramilitary forces beneath it. (AP Photo/Ebrahim Noroozi, File)