Satellite imagery shows that a Ukrainian strike last night on an airfield near the capital of Ukraine's eastern Luhansk region looks to have targeted an advanced Russian long-range radar system.

A Su-35 fighter jet of the Russian Aerospace Forces detected and destroyed a Ukrainian radar station in the Kupyansk ... Russian troops hit military airfield infrastructure, unmanned aerial ...

missile troops and artillery of the Russian groups of forces destroyed a Ukrainian Air Force Su-27 fighter jet at its airfield, three launchers and a radar station of an S-300PT surface-to-air ...