# H.R. McMaster **Lt. General Herbert Raymond McMaster. [[Donald Trump]]'s second National Security Advisor (February 2017 – April 2018).** A decorated combat veteran, military intellectual, and counterinsurgency strategist who became the embodiment of the traditional national security establishment that the [[MAGA]] movement ultimately rejected. McMaster's arc in the [[Trump White House]] — hired to restore credibility after [[Michael Flynn]]'s resignation, marginalized for advocating conventional hawkish positions, replaced by the more ideologically aligned [[John Bolton]] — is one of the clearest illustrations of the tension between the old [[Republican Party]] foreign policy consensus and the new populist right. ## Background Born 1962 in Philadelphia. Graduated from West Point (1984) and earned a PhD in history from the University of North Carolina at Chapel Hill. His doctoral thesis, published as "Dereliction of Duty" (1997), was a scathing critique of the [[Joint Chiefs of Staff]] for failing to push back against the [[Vietnam War]] escalation under Lyndon Johnson. The book argued that the Joint Chiefs abdicated their constitutional responsibility by telling civilian leaders what they wanted to hear rather than providing honest military counsel. The irony of this thesis — a young officer demanding that military leaders speak truth to power — would become acute when McMaster himself entered the most politically pressured national security role in government. ## Military Career McMaster built his reputation as both a warrior and a thinker — a rare combination in the officer corps. **Battle of 73 Easting (February 26, 1991).** During the [[Gulf War]], Captain McMaster led Eagle Troop, 2nd Armored Cavalry Regiment, in a now-legendary tank engagement. His nine M1A1 Abrams tanks destroyed 28 Iraqi tanks, 16 personnel carriers, and 30 trucks of the Republican Guard's Tawakalna Division in 23 minutes — with zero American casualties. The battle became a case study at military academies and established McMaster as one of the most gifted tactical commanders of his generation. **Tal Afar, Iraq (2005–2006).** During the [[Iraq War]], Colonel McMaster commanded the 3rd Armored Cavalry Regiment in Tal Afar, a city in northern Iraq that had become an insurgent stronghold. His approach — combining military operations with political engagement, economic development, and protection of the civilian population — became one of the few genuine success stories of the war and a model for the broader counterinsurgency strategy (COIN) that General David Petraeus later implemented during the 2007 surge. McMaster's Tal Afar operation demonstrated that counterinsurgency could work; the question was whether the political will existed to sustain it. ## National Security Advisor (2017–2018) [[Michael Flynn]] resigned as National Security Advisor on February 13, 2017, after 24 days, having lied about contacts with [[Russia]]'s ambassador [[Sergey Kislyak]]. Trump needed a credible replacement to stabilize the national security apparatus. McMaster, a three-star general with combat distinction and an intellectual reputation, was the reassurance pick. From the beginning, McMaster clashed with both the president and the populist wing of the White House: **Russia.** McMaster supported the intelligence community consensus that [[Russia]] interfered in the 2016 election and advocated for a firm response. This put him directly at odds with Trump's instinct to accommodate Putin and with the Bannonite wing's skepticism of the intelligence community. [[Steve Bannon]] and McMaster fought a running bureaucratic war, with Bannon ultimately removed from the National Security Council principals committee — a McMaster victory that deepened the rift with Trump's base. **Iran.** McMaster argued against withdrawing from the Iran nuclear deal (JCPOA), advocating instead for tougher enforcement within the existing framework. Trump wanted out, and McMaster's advocacy for staying in marked him as part of the establishment consensus the president was elected to overturn. **Afghanistan.** McMaster advocated for a sustained troop commitment in the [[Afghanistan War]], opposing both withdrawal and the Bannon-backed proposal to privatize the war through military contractors. His position prevailed initially — Trump authorized a modest troop increase in August 2017 — but the president's frustration with endless commitment was evident. On each of these issues, McMaster represented the traditional hawkish national security establishment position: alliances matter, commitments must be honored, [[Russia]] is an adversary, the liberal international order serves American interests. On each issue, that position was precisely what the [[MAGA]] movement had rejected. **Fired/replaced April 2018.** Trump replaced McMaster with [[John Bolton]], who shared the hawkish instincts but was a more willing political fighter and more ideologically comfortable with Trump's unilateralism. McMaster retired from the Army. ## Post-Administration McMaster became an increasingly vocal critic of both Trump-era isolationism and the broader erosion of bipartisan foreign policy consensus. His book "At War with Ourselves" (2024) argued that the United States was undermining its own security through partisan division, strategic narcissism (the belief that the world will conform to American preferences), and the abandonment of the alliances and institutions that had sustained American power since [[World War II]]. The book was a direct rebuttal of the [[MAGA]] foreign policy worldview — and an implicit acknowledgment that McMaster's tenure as National Security Advisor had failed to arrest the shift. ## KB Significance 1. **The old guard's last stand.** McMaster's White House arc is the clearest single case study of the traditional Republican national security establishment confronting — and losing to — the populist right. His hiring represented the establishment's hope that professional expertise and institutional norms could contain Trump; his firing proved they could not. The same pattern played out with [[Rex Tillerson]] at State, [[James Mattis]] at [[Department of Defense]], and [[John Kelly]] as Chief of Staff — the "adults in the room" strategy failed because it misunderstood the nature of the political project they were trying to moderate. 2. **"Dereliction of Duty" in real time.** The irony of McMaster's career is almost too neat: the man who wrote the definitive critique of military leaders failing to speak truth to power found himself in the same position, serving a president who punished dissent. Whether McMaster himself committed the dereliction he had once condemned is an open question — but the structural pressures he documented in his thesis proved as powerful in 2017 as they were in 1965. 3. **[[Neoconservatism]] vs. [[MAGA]].** McMaster represents the interventionist, alliance-based, institutionalist wing of Republican foreign policy that the populist right defines itself against. His replacement by [[John Bolton]] — who shared the hawkishness but not the institutionalism — and Bolton's own eventual firing illustrate the [[MAGA]] movement's progressive rejection of every variant of the pre-Trump foreign policy consensus. ## See Also - [[Donald Trump]] — The president McMaster served and ultimately clashed with - [[Michael Flynn]] — McMaster's predecessor, whose resignation created the vacancy - [[John Bolton]] — McMaster's successor, who lasted longer but also clashed with Trump - [[Steve Bannon]] — McMaster's principal bureaucratic rival in the White House - [[James Mattis]] — Fellow "adult in the room" at the Department of Defense - [[Iraq War]] — Where McMaster built his counterinsurgency reputation - [[Afghanistan War]] — The policy debate that defined McMaster's tenure - [[Neoconservatism]] — The foreign policy tradition McMaster represented - [[MAGA]] — The political movement that rejected McMaster's worldview