“The crew of the Russian fighter approached a safe distance to the air object, identified it as a reconnaissance plane Gulfstream of the Swedish Air Force that flew without a transponder turned on,” the defense department’s information and mass communications department reports.
They added that after the removal of a foreign aircraft from the Russian state border, the Russian fighter returned safely to the home airfield.
On December 31, 2018, it was reported that the VKS of Russia for the year found more than a thousand reconnaissance aircraft near the borders.