Russia’s Strategic Missile Forces began WHAT THEY SAY are planned exercises involving the Yars mobile nuclear intercontinental ballistic missile systems, Russia’s defense ministry said minutes ago (11:06 PM EDT on Tuesday, 28 March 2023)

“In total, more than 3,000 military personnel and about 300 pieces of equipment are involved in the exercises,” the defense ministry said in a statement on the Telegram messaging app.

Each YARS missile carries of nuclear warhead with a yield of 800 kilotons.

(Source)