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FP - July 31, 2026 - By Keith Johnson - The Book That Predicted Pete Hegseth’s Failures

 Review

The Book That Predicted Pete Hegseth’s Failures

‘On the Psychology of Military Incompetence’ 

examines the narrow minds of petty men.

By , a staff writer at Foreign Policy covering geoeconomics and energy.
A collage image with a photo of Pete Hegseth seen in profile, his mouth open as he yells. Beside him is the cover illustration from the book Psychology of Military Incompetence, depicting a general in uniform, also seen in profile, with military imagery framed inside his head.
A collage image with a photo of Pete Hegseth seen in profile, his mouth open as he yells. Beside him is the cover illustration from the book Psychology of Military Incompetence, depicting a general in uniform, also seen in profile, with military imagery framed inside his head.
Lori Kelley illustration/Foreign Policy; publisher and Getty Images

This year marks the 50th anniversary of the publication of a very British book 

seeking to make sense of what seemed at the time a very British problem. Half a 

century later, however, it turns out it was about Pete Hegseth all along.

On the Psychology of Military Incompetence, by British psychologist Norman F. 

Dixon, has long been considered a must-read, even within U.S. military circles that

relentlessly cull their own reading lists. Dixon sought to answer a question that had

 long bedeviled the British military, most especially in the wake of World War I: Why

 are lions always seemingly led by donkeys?

Dixon had plenty of material to work with for his case studies, which make up the 

first part of the book. The series of military disasters that befell the British Army—

and even occasionally the Royal Navy—began with a pair of catastrophic 19th century

 forays into Afghanistan, continued with a ham-fisted nightmare in the Crimean War, 

somehow got worse in an unequal battle with the Boers, and then culminated in the bloody 

mud flats of Passchendaele. World War II had its awful moments as well, especially at the 

beginning (the surrender of Singapore in early 1942 while heavily outnumbering the Japanese

 invasion forces remains Britain’s worst defeat) but also near the end, when the British Army 

attempted a paradrop push combined with an armored thrust into the Netherlands that proved to be a 

“bridge too far.”

The front cover of a book titled "On the Psychology of Military Incompetence" by Norman F. Dixon. The cover illustration features a profile silhouette of a military officer wearing a red and black peaked cap, overlaid with intricate illustrations of soldiers, military vehicles, and historical figures.
The front cover of a book titled "On the Psychology of Military Incompetence" by Norman F. Dixon. The cover illustration features a profile silhouette of a military officer wearing a red and black peaked cap, overlaid with intricate illustrations of soldiers, military vehicles, and historical figures.

On the Psychology of Military Incompetence, Norman F. Dixon, Basic Books, 528 pp., $22.99, first ed. 1976

Dixon’s book reaches back to the middle of the 19th century and is thoroughly grounded in antiquated British military and civilian mores (Dixon places much of the blame on Victorian public school traumas and codes of behavior) and somewhat archaic psychology. 

There’s a lot on mommy issues and other Freudian cliches of the time. Yet, it is 

impossible to read the book today without thinking of the self-proclaimed U.S. 

“secretary of war” and his hapless efforts to root out “beardos,” do a pull-up, or 

subdue a third-rate country with history’s most awesome military at his disposal.

Dixon rules out pure stupidity as a root cause for most of the explanation of the 

continued incompetence. Many of his case studies focus on general officers who 

were either academic high achievers, such as Douglas Haig, the commander of 

British forces for most of World War I, or at least reasonably free from intellectual 

defects.

Instead, Dixon, who spent 10 years in the army, including service as a combat 

engineer in World War II, seeks an answer in deeper waters: a particular mindset 

attracted to institutions such as the military, which then exacerbate by design the 

very tendencies that will tend to undermine military competence.

By and large, the (British) military shunned innovation; prized physical prowess 

and sporting achievements over book smarts (“lethal warrior” mentality); cherished 

tradition, spit-and-polish, regulations, and petty rules that all come under what 

Dixon defines as “bullshit.” Soldiers that had those traits to a great degree naturally 

advanced to higher ranks, eventually the highest, precisely to positions where those 

characteristics were either useless or catastrophic.

Another characteristic Dixon found in decades of military dysfunction was an 

ingrained fear of “effeminacy,” producing a combination of homophobia and 

misogyny that translated into a crusade against anything feminine, especially 

women potentially doing military jobs previously done only by men. 

“Anti-effeminacy” even extended to battlefield behavior, Dixon suggests, including 

a previous disdain for taking cover, wearing protective gear, or even running 

protective convoys to shepherd merchant shipping during wartime. Other constant

 characteristics among incompetent senior military leaders were an inability to suffer

 criticism of any sort, and a predilection for picking subordinates whose loyalty far 

outweighed any particular competence.

Most of Dixon’s book focuses on generals, with a few admirals and air marshals 

thrown in for leavening. There have been plenty of similar examples in the United 

States, such as the self-obsessed and pusillanimous George McClellan in the U.S. 

Civil War, or the disastrous disorganization of Lloyd Fredendall at Kasserine Pass 

in North Africa in World War II. Yet traditionally, U.S. failure has been marked 

more by chaotic arrogance than spit-and-polish obsessions.

Pete Hegseth is not a general. He topped out as a major in the National Guard, after 

serving tours in Iraq and Afghanistan, but he has managed to carry his junior 

officer’s mindset into the office of the secretary of defense in a way that clearly 

echoes much of what Dixon lamented about wartime leadership in the British military.

A man in a blue suit stands with his back to the camera, pulling open his jacket open to show his chest toward a group of about two dozen smiling military personnel in camouflage uniforms who are cheering with their hands raised.
A man in a blue suit stands with his back to the camera, pulling open his jacket open to show his chest toward a group of about two dozen smiling military personnel in camouflage uniforms who are cheering with their hands raised.

U.S. National Guard troops react as Secretary of War Pete Hegseth opens his suit jacket to show the 

U.S. flag lining following a reenlistment ceremony in Washington on Feb. 6. Chip Somodevilla/Getty Images

Take Dixon’s euphemistic “bull,” the bane of button-polishing, parade-ground 

existence, even if it has a role in fostering discipline, uniformity, and an esprit de

 corps.The phenomenon involves ritualistic observance of the dominance-submission

 relationships of the military hierarchy, extreme orderliness and a preoccupation with 

outward appearances,” Dixon notes.

Hegseth summoned every single senior U.S. military commander from around the 

world to listen in person to a harangue on the evils of fat soldiers, long hair, and 

beards. He posts videos of himself attempting to do physical training, unusual for 

any secretary of defense, who presumably has broader strategic questions to worry 

about. But then—he was picked for the job by President Donald Trump because 

Hegseth was straight out of “central casting.”

When it comes to prickly skin, Hegseth ticks all of Dixon’s boxes. Earlier in the ongoing war with Iran, Hegseth chided the press as “unpatriotic” for reporting objectively on the war. Likewise, in late July, Hegseth melted down when some lawmakers pointed out that the U.S. failure in the war was ultimately his responsibility.

Like Dixon’s incompetents, who shunned publicity of any sort, Hegseth’s Pentagon not only purged the professional press corps and banished it from the building, but rewrites casualty totals on a whim and hasn’t held a press briefing during wartime for nearly three months.

Dixon’s belief that fears about masculinity drive some senior leaders’ behavior finds expression both in “bull” and in personnel and force structure decisions. Dixon cites “[t]he importance attached to such outward signs of sex-role identification as hair-length,” and a “deeply rooted prejudice toward women who try to adopt traditionally male roles.” One doesn’t have to look far to find Hegseth mandating testosterone tests (and possible injections) for U.S. “warfighters,” or a systematic bias against the promotion of female officers or the expansion of female combat troops.

Two female military service members in camouflage uniforms stand outdoors; one talks with her hand resting near her hair while the other holds a large firearm upright and looks off to the side with a serious expression.
Two female military service members in camouflage uniforms stand outdoors; one talks with her hand resting near her hair while the other holds a large firearm upright and looks off to the side with a serious expression.

U.S. Army soldiers prepare to go on a mission during the Iraq War, seen in Ramadi, west of Baghdad, on Oct. 25, 2004.Patrick Baz/AFP via Getty Images

Finally, there is an “authoritarian” mindset, in Dixon’s words, that necessarily defines much of the military hierarchy, but which finds unfortunate expression in a rigidity of thought. “Authoritarians will be less likely to understand enemy intentions,” Dixon wrote, as well as have a tendency to underestimate the enemy’s ability. He was thinking of the disastrous Allied battle plan in the spring of 1940, but today it reads as if he was writing about the Pentagon’s failure to prepare for Iran’s closure of the Strait of Hormuz, despite the scenario being war-gamed out for decades beforehand.

Authoritarians are also less likely to embrace technical innovations. More than four years after the Ukraine war has shown the need to reconfigure combat forces for the drone era, the United States still lags behind a middling and war-beset European country by miles in terms of drone output. Part of that is due to Hegseth’s boss: Trump spurned Ukraine’s offer of drone assistance earlier this year during the initial phases of the Iran war. Trump is consistent in his disdain for technological advances in the military: For years he has begged for the return of old steam-powered catapults for U.S. aircraft carriers, and forced the Pentagon to allocate billions of dollars for the future construction of a Trump-class “battleship.”

Dixon’s book is dated, both in its martial case studies and much of its science. Even the notion that Britain’s generals were “donkeys,” especially in World War I, has given way to more recent scholarship suggesting a nearly competent class of officers struggling with a whole new way of war.

Yet it is still a fascinating glimpse at why the very things that make the military work most of the time tend to act against best performance at the most crucial of times. Creativity, openness to new ideas and dissent, overcoming petty conventions and regulations, promoting the best and brightest, and embracing the unconventional are among the traits Dixon identified in successful commanders. Those are qualities that the U.S. military has sometimes sought—but under Hegseth, it’s far more important to be white, male, and clean-shaven.

This post appeared in the FP Weekend newsletter, a weekly showcase of book reviews, deep dives, and features. Sign up here.

Keith Johnson is a staff writer at Foreign Policy covering geoeconomics and energy. Bluesky: @kfj-fp.bsky.social X: @KFJ_FP

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