A US Air Force plane will finish the observation flight over Russia that started on February 18 within the framework of the Treaty on Open Skies on Saturday, the Russian Defense Ministry informed.

Earlier, the PlaneRadar monitoring portal informed that a US Air Force plane flew over Russia near the city of Chita.

The Russian Defense Ministry informed that the observation flights are scheduled until February 23, adding that there are Russian representatives on board monitoring "the strict observance of the agreed parameters of the flight and the use of surveillance equipment."