The Coast Guard is exempt from the Posse Comitatus Act and is under supervision of the NSA. Also see EO 12333. Reagan: Executive Order intended to extend powers and responsibilities of U.S. intelligence agencies and direct the leaders of U.S. federal agencies to co-operate fully with CIA requests for information.This executive order was titled United States Intelligence Activities. Also see Executive Order 13470: issued by US President President Bush on July 30, 2008. It amended Executive Order 12333 to strengthen the role of the Director of National Intelligence. It appears that there are EOs' that would allow such activities. Trump using the DS against them? Also, POTUS announced that the Coast Guard would be paid during the shut down and continue working. Did Flynn and NSA develop MI with the Coast Guard?