And remember that the US, is way, way more militarily powerful than Russia. The US has tons of spare military capacity, unlike Russia. Russia would lose an escalation war, and Russia knows it.
Ukraine literally has a land border with the EU, where the US has large equipment stockpiles and perfect logistics. Logistically it is likely much easier for the US to send stuff to Ukraine.
Like what? Putin needs his missiles himself.
And remember that the US, is way, way more militarily powerful than Russia. The US has tons of spare military capacity, unlike Russia. Russia would lose an escalation war, and Russia knows it.
Russia is much closer to Iran than the US which means it can move troops and equipment into Iran quickly.
Ukraine literally has a land border with the EU, where the US has large equipment stockpiles and perfect logistics. Logistically it is likely much easier for the US to send stuff to Ukraine.
But Russia is much closer to Iran and Trump is losing interest in Europe and Ukraine.