Ukraine and the USA will conduct an observation flight above the territory of the Russian Federation under the Open Skies Treaty, Interfax reports quoting Acting Chief of the Russian National Center for Nuclear Risk Reduction, Sergei Zabello. 
The flight will be carried out with the use of the US observation aircraft OC-135B, equipped with surveillance equipment and aerial cameras. The aircraft will take off from the airport of the city of Ulan-Ude. 
In turn, Russia expects to carry out observation flights on board the Tu-154M Lk-1 observation aircraft over the US and Canada. 
According to Zabello, the observation flight over Canada will be carried out on August 29-September 3.

Source : XINHUA