[Freelance Warrior]

but the future of all helicopters for combat is getting dimmer. They are too slow, fly too low, and have easily detectable signatures, which makes them easily shot down in the modern battlefield.

What machines will support infantry instead of the helos than?

[Chinstrap61a]

UAVs, more than likely. The good news is that they can fly in regimes that are too stressful for a human pilot to endure -

And if they're shot down, we have more where those came from.