One administration official said extensive discussions were held with USA allies leading up to the decision but ultimately Washington decided "it is no longer in our interest" to participate in it.
The Trump administration notified worldwide partners on Thursday that it is pulling out of a treaty that permits 30-plus nations to conduct unarmed, observation flights over each other's territory overflights set up decades ago to promote trust and avert conflict.
"The United States chose to cut down one more multi-party treaty on arms control, this time, the one that was initiated by the United States itself", Ulyanov said.
Trump's decision to abandon the Open Skies Treaty could indicate that he will allow the New START treaty to lapse.
Administration officials, speaking on condition of anonymity, said the decision followed a six-month review that found multiple instances of Russian refusal to comply with the treaty.
The US can use satellites for its intelligence-gathering on Russian Federation, but Mr Trump's decision will cause tensions with European allies who do not have access to such technology.
President Dwight Eisenhower first proposed the U.S. and the former Soviet Union allow aerial reconnaissance flights over each other's territory in July 1955. They have benefited from the over 1,500 overflights carried out under the OST, allowing them to observe Russian military movements, and see it as a remaining element of global cohesion and transparency.
The Trump administration has announced it is pulling the U.S. out of an 18-year-old treaty of more than 30 nations that permits unarmed observation flights over each other's territory.
US says pulling out of Open Skies treaty, citing Russian violations
They added: "During the course of this review it has become abundantly clear that it is no longer in America's interests to remain a party to the Open Skies treaty".
"The Open Skies Treaty has built trust, provided stability, and eased tensions between the United States, Russia and 32 other countries across the Euro-Atlantic region".
At the same time, the officials said US officials had begun talks in recent days with Russian officials about a new round of nuclear arms negotiations. He has until February to extend it for up to five years.It is the last remaining restraint on deployments of USA and Russian strategic nuclear warheads and delivery systems to no more than 1,550 each.
Senior administration officials said Russian violations include restricting flights over Moscow and Chechnya and near Abkhazia and South Ossetia.
U.S. President Donald Trump speaks about the coronavirus disease (COVID-19) pandemic response during a meeting with Arkansas Governor Asa Hutchinson and Kansas Governor Laura Kelly in the Cabinet Room at the White House in Washington, U.S., May 20, 2020.
It allows for unarmed short-notice reconnaissance flights by specially equipped aircraft over the entire territory of another country. Russian restrictions also make it hard to conduct observation in the Kaliningrad, a Russian enclave sandwiched between Lithuania and Poland that is home to Russia's Baltic fleet, they said.
Moscow rejected it but the treaty eventually came into force in 2002, and was signed by several dozen other countries. Thirty-four nations have signed it; Kyrgyzstan has signed but not ratified it. But the decision to leave, apparently, explains the USA idea of a "new era" of arms control. "I have a lot of concerns about the treaty as it stands now".
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