The B52 heading towards Kalingrad-Moscow nuke drill is flying at 25,000 feet so they want Putin to see it.
“Chinese companies are shipping rifles, body armor to Russia”
https://www.politico.com/news/2023/03/16/chinese-rifles-body-armor-russia-ukraine-00087398
Russians are countering with their secret weapon:
Russia’s New Secret Weapon Against Ukraine? 75 Year Old Biplanes!
https://www.youtube.com/watch?v=z7I3Illsuqg