It is likely only one element of an amphibious task force, and of course, a package of reinforcements of various other ships and planes, and likely other amphibious task forces. You wouldn’t sent an assault ship into potential harm, without having the ability to prevail, or at the minimum, to extricate your guys. This is likely the tip of the iceberg that is poised to counter Chinese aggressions.
No doubt has a couple of deadly friends in close proximity but out of sight.