On January 28, 2017, President Trump signed Executive Order 13782, fundamentally restructuring the advisory apparatus through which the United States formulates and implements national security policy. The order reorganized both the National Security Council and the Homeland Security Council by altering their composition and regular attendance requirements. Most significantly, it elevated the White House Chief Strategist to principal committee membership—a position traditionally occupied by cabinet secretaries and senior military leadership—while simultaneously downgrading the Director of National Intelligence and the Chairman of the Joint Chiefs of Staff from regular attendee status to discretionary attendance. This represented a stark departure from decades of institutional practice, removing two of America's most senior intelligence and military officials from standing participation in the nation's highest-level security deliberations.

The structural change directly affected which officials would routinely advise the President on military operations, intelligence assessments, and foreign policy decisions. The removal of the Joint Chiefs Chairman meant the senior military officer responsible for operational planning would no longer automatically participate in council discussions. The exclusion of the DNI reduced routine access for the official responsible for coordinating intelligence across all federal agencies. Conversely, the elevation of a political strategist without intelligence or military background created an unprecedented pathway for non-traditional voices to shape decisions on military deployments, arms sales, and national security doctrine.

This reorganization foreshadowed the pattern visible in the Trump administration's subsequent national security actions. The expedited $8.6 billion arms deals to Middle Eastern partners, the Iran maritime blockade deployment, and continued Iran emergency declarations all emerged from a decision-making structure where traditional institutional checks had been recalibrated. By removing standing membership of intelligence and military leadership while elevating political strategy, the executive order created a structural environment conducive to rapid escalation without routine institutional friction. The reordering of advisory voices preceded a cascade of military and diplomatic actions that prioritized executive speed over interagency consensus-building.

The order was reversed under subsequent administrations, restoring the Director of National Intelligence and Chairman of the Joint Chiefs to principal committee status and removing the Chief Strategist from standing membership. The reversal reinstated traditional institutional arrangements designed to ensure military and intelligence expertise remained central to national security deliberations.