Bulwark Takes
Bulwark Takes
March 30, 2026

Trump Needs Approval for This War (w/ Michael O'Hanlon) | Shield of the Republic

Quick Read

Michael O'Hanlon dissects the assertive and often contradictory nature of US defense strategy throughout history, from continental expansion to modern challenges in AI and industrial capacity.
US grand strategy has consistently been assertive and expansionist, not isolationist, since its founding.
The US has historically been more effective at 'waging peace' (achieving long-term strategic goals) than 'waging war' (winning specific conflicts).
The defense industrial base needs urgent, multi-year investment to replenish depleted stockpiles and build surge capacity for future conflicts.

Summary

Michael O'Hanlon, a distinguished defense analyst, discusses his book "To Dare Mighty Things," a comprehensive history of US defense strategy. He argues that American grand strategy has consistently been assertive and expansionist, rather than isolationist, often succeeding in "waging peace" (achieving long-term strategic goals) even when battlefield outcomes are mixed. The conversation covers the evolution of the "American way of war," the historical "three offsets" used to maintain military advantage, and current challenges like the Iran conflict, the AI race, and the critical state of the US defense industrial base. O'Hanlon advocates for Congress to reassert its constitutional role in authorizing military action and funding, particularly in the context of the proposed supplemental budget for the Iran conflict, to ensure strategic clarity and bolster the industrial base.
This discussion provides a critical historical framework for understanding current US military engagements and defense policy debates. It highlights the persistent tension between strategic ambition and tactical execution, the evolving nature of military advantage, and the urgent need for investment in the defense industrial base to meet contemporary threats. For policymakers, it underscores the importance of congressional oversight and long-term strategic planning in an era of complex global challenges.

Takeaways

  • US grand strategy has been consistently assertive and expansionist throughout its history, with isolationism being a rare exception (06:08).
  • The 'American way of war' is not monolithic brute force; it has adapted through various approaches like counterinsurgency and counterterrorism (07:17).
  • The US has been more successful at 'waging peace' (achieving broader strategic goals) than 'waging war' (winning specific battlefield conflicts) (35:39).
  • Historically, the US has relied on 'three offsets' (nuclear superiority, precision strike/stealth, and now AI/autonomy) to maintain a qualitative military edge over adversaries (24:27).
  • Congress should use its power of the purse to assert control over military engagements, such as the Iran conflict, by scrutinizing supplemental funding requests (52:13).
  • The current state of the US defense industrial base, strained by ongoing conflicts, requires substantial, multi-year investment to replenish munitions and build production capacity (56:12).

Insights

1US Grand Strategy: Assertive and Expansionist, Not Isolationist

Michael O'Hanlon contends that American grand strategy has almost always been assertive and expansionist, not isolationist. He cites historical examples like territorial expansion against Native Americans and Mexico, and the pursuit of trade rights, as evidence of a continuous 'restlessness' and a drive to expand influence and prosperity beyond existing borders. This challenges the common narrative of US isolationism, suggesting it was largely confined to specific periods like the 1920s and 30s.

O'Hanlon refers to the US Mexico War (1846-1848) as a 'war of choice' or 'aggression' for manifest destiny, and the Quasi-War with France and War of 1812 as driven by insistence on trade rights. He states, 'We've almost always had some restlessness. And even if one president may not have taken a big next step, the one after him usually did. And that's how we got to be such a big and powerful country.'

2US Better at 'Waging Peace' Than 'Waging War'

O'Hanlon argues that the US has historically been more successful at 'waging peace' – achieving its core grand strategic goals – than at 'waging war' – winning specific battlefield conflicts. He points to Vietnam and Afghanistan as military defeats where, paradoxically, the US still achieved broader strategic objectives like demonstrating commitment to containing communism or deterring future terrorist attacks from specific regions.

Regarding Vietnam, O'Hanlon notes it 'showed the world, including Moscow and Beijing, we were quite committed to that if we're prepared to fight that hard in Southeast Asia.' For Afghanistan, he states, 'the Taliban seem to have gotten the message that it's not a smart idea to harbor ISIS or al-Qaeda to plan attacks against the United States. And we see to my mind no evidence that they're doing so... and that's a grand strategic success even if it's a military defeat.'

3The Three Offsets: Maintaining Military Edge

The US has historically relied on 'offsets' – asymmetric advantages – to counter adversaries' conventional strengths. The first offset was nuclear superiority in the 1950s, allowing for 'massive retaliation' against Soviet conventional forces. The second, in the late 1970s, focused on stealth and precision-guided munitions, leading to concepts like 'AirLand Battle.' The current 'third offset' aims to leverage emerging technologies like AI, autonomy, and hypersonics to maintain a qualitative edge, though O'Hanlon views it as more amorphous and less clearly defined in its battlefield application.

O'Hanlon details Eisenhower's 'new look' defense policy based on nuclear superiority () and the development of stealth and precision munitions under Bill Perry and Harold Brown (). He describes the third offset as 'a grab bag of all the sexy new technologies we all talk about' but notes 'there is no obvious American advantage like hypersonics for example.'

4Congressional Role in War Authorization and Funding

Despite the frequent bypassing of Congress by presidents in initiating military actions, O'Hanlon advocates for Congress to reassert its constitutional role, especially through its power of the purse. He suggests that Congress should scrutinize supplemental funding requests for ongoing conflicts (like the Iran war) to limit the executive's ability to escalate or prolong engagements without explicit legislative approval.

O'Hanlon notes that 'the proclivity of post-World War II American presidents to act without congressional permission or authorization is quite frequent.' He proposes that Congress 'don't give President Trump $200 billion because that's far and beyond what any, you know, several week continuation of this war might require. And if Trump winds up escalating or wanting to escalate or prolong this thing over substantial period, he should need to make that case to Congress.'

5Crisis in the Defense Industrial Base

The current geopolitical landscape, marked by conflicts in Ukraine, Gaza, and Iran, has exposed critical deficiencies in the US defense industrial base, particularly regarding munition stockpiles and production capacity. O'Hanlon emphasizes the need for significant, multi-year investment to replenish depleted inventories and build surge capacity, not just for immediate needs but also to deter potential adversaries like China and ensure readiness for future conflicts.

The host highlights 'the perilous state of our defense industrial base and the state of our munition stockpiles' and the 'immense numbers of munitions' expended. O'Hanlon agrees, stating, 'I do want that supplemental to pass and fast to the tune of 60 to 75 billion largely for immediate replenishment or as fast as possible of inventory. And second, to your point about capacity, production capacity, I think that would be a very good debate to center this year's defense authorization act on.'

Bottom Line

The US defense industrial base's inability to rapidly scale production and replenish munitions, as exposed by recent conflicts, creates a strategic vulnerability that could undermine deterrence against peer competitors.

So What?

This bottleneck means the US cannot sustain prolonged high-intensity conflicts or adequately support allies without significant lead times, potentially emboldening adversaries to act.

Impact

Congress can mandate multi-year contracting and dedicated, mandatory funding for industrial base expansion, signaling long-term commitment to manufacturers and enabling them to invest in workforce and facilities, thereby building surge capacity and enhancing deterrence.

Key Concepts

American Way of Strategy vs. American Way of War

This model distinguishes between the overarching, long-term national objectives and assertive posture (strategy) and the specific methods and tactics employed in combat (war). O'Hanlon argues that while the US has adapted its 'way of war' over time, its 'way of strategy' has consistently been expansionist and assertive, leading to success in 'waging peace' even amidst battlefield defeats.

The Three Offsets

This concept describes the historical periods where the US developed and leveraged technological or doctrinal advantages to counter adversaries' conventional strengths. The first offset was nuclear superiority (1950s), the second involved precision-guided munitions and stealth technology (1970s-80s), and the third is the ongoing pursuit of dominance in areas like AI, autonomy, and hypersonics.

Lessons

  • Congress should approve a targeted supplemental defense budget (e.g., $60-75 billion) for immediate inventory replenishment, but resist approving larger, open-ended requests (e.g., $200 billion) to maintain legislative control over the scope and duration of military operations.
  • Policymakers must use supplemental funding debates to explicitly define and limit military engagements, such as retroactively authorizing air campaigns while prohibiting major ground escalations without further, specific congressional approval.
  • Prioritize long-term investment in the defense industrial base by exploring mechanisms like multi-year contracting and dedicated, mandatory funding pools, moving beyond annual discretionary budgets to ensure sustained production capacity and workforce development.

Quotes

"

"We've almost always had some restlessness. And even if one president may not have taken a big next step, the one after him usually did. And that's how we got to be such a big and powerful country."

Michael O'Hanlon
"

"When it comes to US defense strategy, we've been actually better at waging peace than waging war."

Michael O'Hanlon
"

"I don't get too excited about needing to defeat the Chinese in the AI race, but I don't want to fall behind them."

Michael O'Hanlon

Q&A

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