The claimed Russian jet that was downed is Ukranian :
Lieutenant General Stephen Twitty, former deputy commander of the US European Command, Military Watch: “Ukrainians are doomed in this battle, the only way to stop the collapse of Ukraine is to accept Russia’s conditions as soon as possible, to capitulate to them.
The Ukrainians do not have enough combat power to resist, they are not sufficiently motivated and shamelessly inferior to the Russians in aviation and technology. No amount of Western help will fix this.
Accordingly to General Stephen Ukraine is doomed, But i am illuminated enough that even if Russia's wins they still looses.
Caspian Report logic (Youtube).