His crime was telling the truth.
Not sure of his rank - is he 0-3 ?
The author has been relieved of command and put on ice pending a determination of whether his "comments constituted prohibited partisan political activity.”
Ironically, his comments fall squarely within his oath, obligation and duty to "defend against domestic enemies".
Rhetorical questions:
"HTH can an officer satisfy that obligation without talking about any such domestic enemy?"
"Does any political operative or organization who squelches that duty to defend qualify as a "domestic enemy?"
This USAF Academy grad, fighter pilot with two MA's is most certainly on Trump's list for a place in a future government.
He made his superiors mad. Sometimes that's all it takes.