After Ukraine launched US made ATACMS and British storm shadow inside Russia, Russia responded with a newly created weapon, Mid Range Ballistic Missiles, under the instructions of the Russian President Vladimir Putin.
The weapon was successful and passed it precision strike test, with complete stealth/undetectable ability.
Ukraine alongside NATO is still struggling to comprehend the capacity of the new weapon.
According to reports, Russia informed USA ahead of the incoming strike, and yet no air defence system was able to detect the mid range ballistic missiles coming.