A Russian Air Force Tu-214 flies over the Offutt US Air Force Base in Omaha, Nebraska on April 26, 2019 on an observation flight permitted under the Open Skies Treaty. Omaha World-Herald via AP
A Russian Air Force Tu-214 flies over the Offutt US Air Force Base in Omaha, Nebraska on April 26, 2019 on an observation flight permitted under the Open Skies Treaty. Omaha World-Herald via AP

US tells Russia it will not rejoin Open Skies treaty