H.R. McMaster transitioned from a decorated United States Army Lieutenant General to an influential strategic thinker, serving as National Security Advisor and continuing to shape global security discourse. After graduating from the United States Military Academy in 1984, H.R. McMaster achieved early distinction commanding Eagle Troop of the 2nd Armored Cavalry Regiment during the Gulf War.
His unit famously destroyed 28 Iraqi Republican Guard tanks without suffering losses in the 1991 Battle of 73 Easting, earning him a Silver Star. This pivotal action is frequently integrated into U.S. Army training exercises. McMaster further solidified his intellectual foundation by earning a Ph.D.
in American history from the University of North Carolina at Chapel Hill in 1996, with his dissertation forming the basis for his New York Times bestselling book, ‘Dereliction of Duty,’ published in 1997. Throughout his distinguished military career, McMaster held pivotal command and staff positions, including teaching military history at West Point (1994-1996) and commanding the 1st Squadron 4th Cavalry in Germany (1999-2002). As a Hoover National Security Affairs Fellow (2002-2003), he honed his strategic expertise. During the Iraq War (2004-2006), he commanded the 3rd Armored Cavalry Regiment, leading successful counterinsurgency in Tal Afar with innovative tactics.
Most recently, he authored ‘At War with Ourselves My Tour of Duty in the Trump White House,’ published in 2024, providing a crucial perspective on contemporary policy and leadership.