In this June 28, 2019, file photo, President Donald Trump and Russian President Vladimir Putin walk to participate in a group photo at the G20 summit in Osaka, Japan. The Trump administration is notifying international partners 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 administration says it wants out of the Open Skies Treaty because Russia is violating the pact and imagery collected during the flights can be obtained quickly at less cost from U.S. or commercial satellites. (AP Photo/Susan Walsh, File) **FILE**
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