US can obviously not invade all of China lol. But they can get a few hundred thousand into Taiwan, and in some ways they've made threats to attack. So I don't think this is entirely unrealistic, even if calmer heads in US would not want war, we all know US is mostly lead by megalomanic lunatics.
Just how will they get a few hundred thousand into Taiwan?
Any amphibious landings will be conducted well within range of the full arsenal of Chinese options (the same applies to any PLA landings) . It’s for this same reason that I’m thinking that
any attempts at amphibious landings on Taiwan,
by anybody, as the initial stage of a war would be impossible! The sheer area that an amphibious landing force would occupy would provide too large and vulnerable a target. The fundamentally static position of a landing-force in the littoral sea would create an area-target, versus point-targets, drastically simplifying targeting solutions. Missiles with infra-red and television seekers could simply be rained-down on the area with high-expectations of target-engagement.
I’d expect that any amphibious-landings would only occur after an air-sea battle in which one side has gained a decisive advantage, if not outright victory.
