INF Treaty

Russian President Vladimir Putin speaks at a meeting with members of the Security Council in the Kremlin in Moscow, Russia, Friday, Aug. 23, 2019. Putin ordered the Russian military to ponder a quid pro quo response after Sunday's test of a new U.S. missile banned under a now-defunct arms treaty. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)

This Sunday, Aug. 18, 2019 photoprovided by the U.S. Defense Department shows the launch of a conventionally configured ground-launched cruise missile on San Nicolas Island off the coast of California. The Pentagon said Monday the U.S. military has conducted a flight test of a type of missile banned for more than 30 years by a treaty that both the United States and Russia abandoned this month. The test off the coast of California on Sunday marks the resumption of an arms competition that some analysts worry could increase U.S.-Russian tensions. (Scott Howe/U.S. Defense Department via AP)

Director of the foreign ministry's Arms Control Department, Fu Cong speaks during a press conference at the Ministry of Foreign Affair building in Beijing, Tuesday, Aug. 6, 2019. China said Tuesday it "will not stand idly by" and will take countermeasures if the U.S. deploys intermediate-range missiles in the Indo-Pacific region, which it plans to do within months. (AP Photo/Christopher Bodeen)

FILE - This undated file photo provided Tuesday, Sept. 19, 2017, by Russian Defense Ministry official web site shows a Russian Iskander-K missile launched during a military exercise at a training ground at the Luzhsky Range, near St. Petersburg, Russia. A landmark arms control treaty that President Ronald Reagan and Soviet leader Mikhail Gorbachev signed three decades ago is dead. The U.S. and Russia both walked away from the deal on Friday, Aug. 2, 2019. (Russian Defense Ministry Press Service via AP/File)

NATO Secretary General Jens Stoltenberg speaks during a media conference at NATO headquarters in Brussels, Tuesday, June 25, 2019.NATO defense ministers begin a two-day meeting on Wednesday. (AP Photo/Virginia Mayo)

White House press secretary Sarah Sanders speaks with reporters outside the White House, Friday, May 3, 2019, in Washington. (AP Photo/Evan Vucci)

Russian President Vladimir Putin gestures while speaking during the opening ceremony for the 29th Winter Universiade games at the Platinum Arena in Krasnoyarsk, Russia, Saturday, March 2, 2019. (Maxim Shemetov/Pool Photo via AP)

NATO Secretary General Jens Stoltenberg speaks after his talks with Bulgarian Prime Minister Boyko Borisov during a news conference, at the Council of Ministers headquarters in Sofia, Bulgaria, Friday, March 1, 2019. (AP Photo)

Russian President Vladimir Putin delivers a state-of-the-nation address in Moscow, Russia, Wednesday, Feb. 20, 2019. Putin said Russia needs to focus on raising living standards. (AP Photo/Alexander Zemlianichenko)