(CNN) — The Pentagon is barring nearly all Defense Department personnel, including military commanders, from talking to Congress or state lawmakers unless they have received prior approval from the agency’s office of legislative affairs, according to a memo signed this month by Defense Secretary Pete Hegseth and obtained by CNN.

“Unauthorized engagements with Congress by [Defense Department] personnel acting in their official capacity, no matter how well-intentioned, may undermine Department-wide priorities critical to achieving our legislative objectives,” says the memo.

The directive applies to the civilian leaders of each military branch, the Chairman of the Joint Chiefs of Staff, all combatant commanders and Defense Intelligence offices. The memo, dated October 15, does carve out

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