I can’t prove they are deployed since I have no “need to know” that.
Probably some US spy satellite saw an oxen in Russia carrying a maintenance team to scrape off the rust on an old system.
This whole topic is absurd.
By ‘the whole topic being absurd’, I presume you mean it being brought up as a concern by the congressional committee. I tend to agree if its just somebody overheard that some russian leadership was discussing it. Until actions are taking place to make it happen, its just a watch item.