Weapons administration

U.S. Secretary of State Mike Pompeo speaks with reporters aboard his plane en route to Thailand, before taking off from Andrews Air Force Base, Md., Tuesday, July 30, 2019. (Jonathan Ernst/Pool Photo via AP)

The European Union's political director Helga Schmid and Iran's deputy Foreign Minister Abbas Araghchi, from left, wait for a bilateral meeting as part of the closed-door nuclear talks with Iran at a hotel in Vienna, Austria, Sunday, July 28, 2019.

The European Union's political director Helga Schmid and Iran's deputy Foreign Minister Abbas Araghchi, center from left, wait for a bilateral meeting as part of the closed-door nuclear talks with Iran at a hotel in Vienna, Austria, Sunday, July 28, 2019.

In this photo released by the office of the Iranian Presidency, President Hassan Rouhani speaks in a cabinet meeting in Tehran, Iran, Wednesday, July 24, 2019. President Hassan Rouhani suggested on Wednesday that Iran might release a U.K.-flagged ship if Britain takes similar steps to release an Iranian oil tanker seized by the British Royal Navy off Gibraltar earlier this month. (Iranian Presidency Office via AP)

In this Thursday, July 25, 2019, photo provided on Friday, July 26, 2019, by the North Korean government, North Korean leader Kim Jong Un watches a missile test in North Korea. A day after two North Korean missile launches rattled Asia, the nation announced Friday that its leader Kim supervised a test of a new-type tactical guided weapon that was meant to be a "solemn warning" about South Korean weapons introduction and its rival's plans to hold military exercises with the United States. Independent journalists were not given access to cover the event depicted in this image distributed by the North Korean government. The content of this image is as provided and cannot be independently verified. Korean language watermark on image as provided by source reads: "KCNA" which is the abbreviation for Korean Central News Agency. (Korean Central News Agency/Korea News Service via AP)

People watch a TV showing a file image of North Korea's missile launch during a news program at the Seoul Railway Station in Seoul, South Korea, Thursday, July 25, 2019. North Korea fired two unidentified projectiles into the sea on Thursday, South Korea's military said, the first launches in more than two months as North Korean and U.S. officials work to restart nuclear diplomacy. The signs read: "North Korea fired unidentified projectiles into the sea." (AP Photo/Ahn Young-joon)

A speedboat of the Iran's Revolutionary Guard moves around a British-flagged oil tanker Stena Impero, which was seized on Friday by the Guard, in the Iranian port of Bandar Abbas, Sunday, July 21, 2019. Iranian officials say the seizure of the British oil tanker was a justified response to Britain's role in impounding an Iranian supertanker two weeks earlier off the coast of Gibraltar, a British territory located on the southern tip of Spain. (Hasan Shirvani/Mizan News Agency via AP)

In this undated photo provided on Tuesday, July 23, 2019, by the North Korean government, North Korean leader Kim Jong Un, center, speaks while inspecting a newly built submarine to be deployed soon, at an unknown location in North Korea. North Korean state media's report on Tuesday comes days after North Korea said it may lift its 20-month suspension of nuclear and missile tests to protest expected military drills between the United States and South Korea. Independent journalists were not given access to cover the event depicted in this image distributed by the North Korean government. The content of this image is as provided and cannot be independently verified. Korean language watermark on image as provided by source reads: "KCNA" which is the abbreviation for Korean Central News Agency. (Korean Central News Agency/Korea News Service via AP)

President Donald Trump speaks during a meeting with Pakistani Prime Minister Imran Khan in the Oval Office of the White House, Monday, July 22, 2019, in Washington. (AP Photo/Alex Brandon)

In this photo released by state-run IRIB News Agency, which aired on Monday, July 22, 2019, shows various crew members of the British-flagged tanker Stena Impero, that was seized by Tehran in the Strait of Hormuz on Friday, during a meeting. The Associated Press cannot independently verify the condition of the crew members, but in the video they looked to be in good health and it didn't appear as though they were being filmed under duress. (IRIB News Agency via AP)