So the answer is no, you do not have a reputable source. Neither comment on reddit nor one here are really valuable source when talking nuclear defense secret.
As much as I dislike 99%of what Elon is and represent the past few years, that's doesn't mean we should loss critical thinking.
The source are talk and wish dreams and nothing more.
Elon said a anti missile shield called SHIELD would be cool (nooo, Elon had another random idea from someone who doesn't know the field but has enough pr clout to make it published?), and Elon used to work or at least be in the same building as a general when he visits for a company that do space launch and is critical to US infrastructure needs (noo? you don't say ?) , and someone else said about shield against missile wouldn't be cool (noo?). That's nothing real or factual.
You really don't know what you're talking about. That "visiting 4 Star General" now reports full time to Elon, as the WSJ determined via numerous sources.
And? Is he still a general while reporting full time to Elon?
If yes you have a bigger scandal, active duty general report full time to private interests!
If not then it's what happens when high level public official leaves office to go in the private space, of course he works for one of the connection he made. Unless you have proof that despite his leaving office he has an active decisionnary role on public and defense spending, then you're accusing someone juste because they work after leaving their previous job.
