US also copy China moon landing. oops, China never has a moon landing.....
or how about US also copy Chinese probe to outside of our solar system, oops, China never has a probe reaching that far.
I can do the same with Space Telescope, Rover Landing, Sun Mission and basically picture of every planet in this world.
It's really stupid to compare Space Achievement between China and US. When you are talking about the only one thing the congress don't think it's worth funding Because US Space mission are usually long and frequent, they may as well do any scientific experiment during those mission instead of making a dedicated module solely because of that, hence congress sees it a waste of money.
Does that mean US don't have the capability to make such module?? I mean if you want to believe so, then please do go ahead.