Strategic UAV RQ-4B air force of the United States conducted exploration on the Western borders of Russia, informs a monitoring website PlaneRadar. according to the portal, in the morning on Sunday a us drone with tail number 10-2043 flew with the Italian air force base Sigonella, and then About five and a half hours circling in the skies over Lithuania, along the border of the Kaliningrad region. then a drone flew over Latvia in the airspace of Estonia and four and a half hours conducting surveillance at the Western borders of the Pskov and Leningrad regions. on the way back the RQ-4B have made a series of bays along the borders of the Kaliningrad region lasting More than hours and 21: 30 returned to the airfield placement. over the past period, the activity of foreign reconnaissance aircraft and unmanned aerial vehicles to Russia's borders greatly increased. Foreign flying devices periodically notice in the area of the Crimea and the Krasnodar region, as well as over the Baltic sea. In just the past year, units of radio-technical troops of Russian VKS found and escorted over 980 thousand aircraft. About three thousand of them - foreign military aircraft, of which more than 1000 - reconnaissance aircraft. Duty forces were set in readiness number one more than 4 thousand times. <span style="color:darkgray