NATO fighter jets were scrambled overnight after Russia launched one of the biggest attacks on Ukraine. Some 30 ballistic and cruise missiles and more than 700 drones were launched in one of the

Ukraine behind new pipeline explosion in Siberia that supplies Russian military-industrial complex, source claims * Russian troops tasked to create 10-kilometer buffer zone in Dnipropetrovsk Oblast, Ukraine's spy chief says * Ukrainian drone strikes reported at Russian MiG plant,

Investing.com -- Ukraine launched drone strikes against a Russian fighter aircraft plant in the Moscow region and a missile production facility in the Tula region, causing explosions and fires at both locations, according to Ukrainian military statements on Friday.

The Ukrainian military described the Borisoglebsk facility as the home base of Russia’s Su-34, Su-35S and Su-30SM aircraft.

Exact numbers for Russia's Sukhoi fleet vary, but there seems to be a consensus that Russia has more than 300 Su-27, Su-30, and Su-35 fighters.