Chindia has ZERO chance at defeating the USA

Chindia has ZERO chance at defeating the USA

 because neither of their militaries were designed to project power beyond their respective backyards, and have only recently (2015) been making baby steps to project power in each other's backyards. Both countries may be growing faster than the USA, but their economies are not the size of the USA, and also not spending anywhere near what the Americans spend on maintaining and building up the military, in absolute terms and per capita.

On top of that, the United States has the only military in the world capable of projecting power to every square meter of this planet, today. How?

USAF runs airborne gas stations for any airplane in their fleet anywhere in the world. That means it could keep harassing the air defences and, assuming they take them all out, the ground and naval forces of their enemies around the clock.

It also has the world's only stealth bomber that has ultra long range even before mid-air refuelling, and can deliver a nuclear strike to any point on Earth and make it back home safely. No nukes, no problem. Fill that hefty bomb bay with other stuff.

The USN operates 11 (max 13) sovereign pieces of the United States of America that can park off the coast of any place in the world, and each piece is more powerful than a majority of the entire countries' military forces.

And finally, the Americans operate one of the best submarine forces in the world. Even taking the SSBN out of the equation, the hunter killer fleet posing a grave threat to any navy the USA is up against. Chinese and Indian submarine forces are improving at fairly good rate, but they can't beat the decades head start that the USN has in this game.

But does that mean the US can defeat China? Hell no.

How did the Americans win their Revolution? By not fighting the British on their terms. The Americans could not field a better conventional army against the Redcoats, and every time they did, they got their asses kicked. Chindia would be crazy to engage the USN and USAF on equal terms. So they won't.

Missiles are much cheaper than aircraft carriers and ships. India has a very fast supersonic cruise missile the Brahmos series. China is going for the ballistic missile approach with its DF-21 by showering the target with multiple warheads rather than one warhead on a missile per target. And it works:

By the way, even if Chindia cannot use nukes, their ICBMs could still be loaded with non-nuclear warheads and target US airbases nearby or even in the homeland.

After dealing with unknown thousands of missile salvos, the PLAAF and IAF will grind down the surviving USAF, USN and USMC aircraft in a painful battle of attrition, with home field advantage. Perhaps the Americans may win, but it would be a pyrrhic victory of unparalleled magnitude.

Giving the US the benefit of the doubt of being able to completely wipe out the Chinese and Indian air forces and navies, and survive the assault of their entire missile inventory, the Americans can finally land some soldiers on Chinese or Indian soil...

Good luck winning the inevitable guerrilla war and counterinsurgency, except we're not talking about Al Qaeda or Daesh nutcases here, but patriotic professional soldiers fighting Imperialism 2.0 with the memories of foreign occupation relatively fresh in the national psyche. America has ZERO chance of defeating Team Chindia.

China and India might run out of tanks and artillery, but they won't run out of resourcefulness, ingenuity, perseverance, or people:

Did I mention that Chindia has a lot of people? LOL good luck killing all of us.

By the way, as this way rages, the world economy collapses, and the biggest losers would be these three countries. This war has zero chance of happening.