Respectfully I see the spelling is Kyiv. Different from my lessons in school.

Google Result:

How many soldiers Russia lost in Ukraine?
Ukraine says Russia has lost nearly 5,300 military personnel.19 hours ago

Ukraine says Russia has lost nearly 5,300 military personnel

Not to laud the US or to getting into the politics of why we were there....

But...google result....as a comparison of spending on the military and listening somewhere in the chain of command to what is going on in the zone v not spending and just ramming things through.

There were 2,401 United States military deaths in the War in Afghanistan. 1,921 of these deaths were the result of hostile action. 20,752 American servicemembers were also wounded in action during the war. In addition, 18 Central Intelligence Agency (CIA) operatives also died in Afghanistan.
Combatants: United States

United States military casualties in the War in Afghanistan