Red Sea / Houthi Campaign
2023–2025 (2 years) · Middle East · Yemen
Operation Prosperity Guardian — US-led coalition to protect Red Sea shipping from Houthi attacks after October 2023 Gaza war. US/UK launched airstrikes on Houthi targets in Yemen starting January 2024. $6.5M/day per carrier strike group deployed. Cost at least $4.5 billion through 2025.
🧠 Key Insights
- • This conflict cost $31 per taxpayer — $4.6B in total (2023 dollars).
- • This conflict lasted 2 years.
- • This conflict was waged without congressional authorization — a violation of Article I, Section 8 of the Constitution, which vests the war power exclusively in Congress.
$4.6B
Cost (2023 dollars)
—
US Deaths
30
Civilian Deaths
12,000
Troops Deployed
$6.3M
Cost Per Day
—
Cost Per US Death
—
Civilian:Military Death Ratio
📖 What Led to This
Beginning in late 2023, Yemen's Houthi rebels began attacking commercial shipping in the Red Sea, ostensibly in solidarity with Palestinians during the Israel-Gaza war. The U.S. response — Operation Prosperity Guardian — has become an open-ended naval campaign that demonstrates how quickly 'limited' military actions expand.
The Houthis, armed with Iranian-supplied anti-ship missiles, drones, and ballistic missiles, have disrupted one of the world's most critical shipping lanes. Approximately 12% of global trade passes through the Red Sea via the Suez Canal; Houthi attacks have forced major shipping companies to reroute around Africa, adding 10-14 days and millions in costs to each voyage.
The U.S. has responded with naval deployments (including aircraft carriers and destroyers), airstrikes on Houthi positions in Yemen, and ship-to-air missile intercepts that cost the U.S. far more than the drones they destroy. A single SM-2 missile costs $2.1 million; the drones it shoots down cost a few thousand dollars each.
The asymmetric economics are staggering: the Houthis are spending millions while the U.S. spends billions. Each day of carrier operations costs approximately $7 million. The campaign has expended SM-2 and SM-6 missiles faster than the U.S. can produce them, straining inventories meant for potential conflicts with China.
The libertarian question is pointed: why is the U.S. Navy serving as a private security force for international shipping companies? The beneficiaries of Red Sea shipping lanes are global corporations; the costs are borne by American taxpayers.
“These attacks must stop. We will not hesitate to protect lives and the free flow of commerce.”
💀 The Human Cost
2
Wounded
30
Civilian Deaths
💸 What It Cost You
$4.6B
Total Cost (2023 $)
$31
Per Taxpayer
—
Cost Per US Death
Where the Money Went
Of $4.6 billion (estimated): Carrier strike group operations ($7 million/day), interceptor missiles ($2.1 million each for SM-2, $4.3 million for SM-6), airstrikes on Houthi positions, intelligence operations, and logistics. The cost-exchange ratio massively favors the Houthis — their $2,000 drones force the U.S. to expend $2 million missiles, creating a financially unsustainable dynamic.
Outcome
Ceasefire
Houthi attacks continued despite 931+ US/UK airstrikes. US-Houthi ceasefire in May 2025. Houthis retained capability. Shipping disruption cost global economy billions.
⚖️ Constitutional Analysis: ❌ No Congressional Authorization
No congressional authorization. Biden administration cited Article II self-defense authority. Bipartisan criticism from both parties.
📅 Key Events
- ▸2023 — Houthis begin attacking Red Sea shipping after Gaza war starts
- ▸2023 — Operation Prosperity Guardian coalition formed (December)
- ▸2024 — US/UK launch airstrikes on Houthi targets in Yemen (January 12)
- ▸2024 — Over 100 strikes conducted through 2024 — Houthis undeterred
- ▸2025 — Ceasefire negotiations; US scales back operations
🎯 Objectives (Not Met / Partially Met)
- ❌Protect Red Sea shipping
- ❌Deter Houthi attacks
- ❌Degrade Houthi capabilities
💡 Did You Know?
- •SM-2 interceptor missiles cost $2.1 million each — the Houthi drones they shoot down cost a few thousand dollars. The U.S. is losing the cost-exchange ratio by orders of magnitude.
- •Approximately 12% of global trade passes through the Red Sea — Houthi attacks have forced rerouting around Africa, adding $1 million+ in fuel costs per voyage.
- •The U.S. Navy has fired more ship-based interceptor missiles in the Red Sea campaign than in any conflict since World War II.
- •The campaign is depleting SM-2 and SM-6 missile stocks that the Navy needs for potential conflicts with China — creating a strategic vulnerability to address a tactical nuisance.
- •A single aircraft carrier strike group costs approximately $7 million per day to operate — the Houthis are forcing the U.S. to spend billions protecting shipping lanes.
👤 Key Figures
Abdul-Malik al-Houthi
Leader of the Houthi Movement
Ordered attacks on Red Sea shipping in solidarity with Palestinians, forcing a massive U.S. naval response.
Joe Biden
President of the United States
Ordered strikes on Houthi positions without congressional authorization, expanding U.S. military operations in the Middle East.
Lloyd Austin
Secretary of Defense
Announced Operation Prosperity Guardian and oversaw the naval deployment while battling health issues that raised chain-of-command concerns.
⚡ Controversies
The campaign is conducted without specific congressional authorization — the administration relies on Article II self-defense powers, despite conducting offensive strikes inside Yemen.
The cost-exchange ratio is wildly unfavorable — the U.S. is spending billions to counter a threat costing the Houthis millions, a financially unsustainable approach.
Strikes on Houthi positions in Yemen risk escalating the broader Yemen conflict and drawing the U.S. deeper into the region.
The campaign primarily benefits international shipping corporations while the costs are borne entirely by American taxpayers.
🏛️ Legacy & Impact
Demonstrates the vulnerability of global trade to asymmetric threats and the astronomical cost of defending it. Exposes the U.S. Navy's missile inventory limitations and the dangerous depletion of stocks needed for great-power competition. Shows how distant conflicts (Israel-Gaza) can cascade into global economic disruptions. Raises fundamental questions about whether the U.S. military should serve as a private security force for international commerce.
🗽 The Libertarian Case
The US spent billions bombing one of the poorest countries on earth to protect shipping lanes for multinational corporations. The Houthis, armed with cheap drones and missiles, cost the US hundreds of millions to counter — a perfect example of asymmetric warfare draining the empire.