Of course we do it.
And, if we want, we can let Russia know our role.
But, I don't see the advantage to leaking it to the public. It is only important that Russia know we will fight, not that he be embarrassed by it publicly. This is more likely to make Putin escalate because of the losses to the US, not de-escalate because Ukraine is embarrassing his military.
I was wondering why Biden was having press conferences telling the world we were sending artillery, etc. Let Russia make that claim, and then we can confirm or deny, at our convenience.
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