Bruh you're crazy, it's a kongo line convoy isolated in a random neighborhood.
Russians are meat like us all. You shoot them a hole appears.
That situation with the recce team in Kharkiv is pretty normal.
They go in with surveillance. For political reasons, they did it with LMVs instead of IFVs and tanks.
US/SAC and 6th Fleet reached DEFCON 3 during Yom Kippur war and September 11th 2001. DEFCON 2 was Cuban missile crisis and SAC got airborne when DEFCON2 was ordered.
We're not even close to being there yet.

Putin Declares a Nuclear Alert, and Biden Seeks De-escalation
When the Russian leader ordered his nuclear forces into “special combat readiness,” the U.S. could have gone on high alert. Instead, the administration tried not to inflame him.
I suppose we have our answer. Russia is at DEFCON 2 whereas the US remains at DEFCON 3.