Sending Jets = WW3, due to blame for providing them and the logistics of which airport they would use would become a legit military target of Russia, even on NATO land.
Why doesn’t Sean Penn organize, lead and pay for an international brigade of actors\actresses to fight in Ukraine? Put it all on the line his great grandparent’s generation did against Franco?
If Russia attacks NATO then it’s on. They’re not that stupid especially when they’re getting pwned by a 4th tier military.