So you've seen war have you?
Korea? That was a long time ago. American equipment held up fine there. Nothing wrong with the M-1 Garand, nor the M-1 Carbine and its multiple variants. Or the .30 cal MG. The only issue they had was the enemy that came in waves and semi-automatic fire that worked fine in Europe didn't have the ROF needed. But as for reliability etc., there were no issues. A lot of M-1 Carbines got modifications for automatic fire and that was alright. The M-3 Grease Gun did alright as well.
In terms of helicopters, that was a non issue in Korea really. America had helicopters. North Korea did not. But they worked alright too.
Afghan War. Which one? The one in the 80's with the Soviets? That was Russian hardware vs Russian hardware + the American Stinger (which did rather well).
Vietnam - The M-16 had some issues in the very beginning but considering what they did to it, hardly a surprise. After they fixed the problems, it was a fine weapon.
AK-47. Outstanding weapon. But you're not proving me wrong or anything. Like I said, in terms of some low tech stuff, Russian stuff is outstanding. But then again we can talk about the SKS which may have been more common, especially early in the war and those things were horrible.
Arab Israeli Wars - Are you kidding? American hardware pwned the living daylights out of Russian hardware.
There are only certain Western weapons that require massive maintenance. The most famous being the M1 series MBT. But they deliver so much more than anything the Russians have fielded.
Again back to helicopters. Russia's hardware, when not required to be high tech, is sometimes outstanding. I think the Hind and the Hip helicopters are a great design and I'd pick them over the Black Hawk for general transport etc. because it's cheap and can haul more. But for high tech stuff, I'll stick with the American and European helicopters.
I've used American equipment and they worked fine without the logistical nightmare that you talk about.