Reading mode Exit reading mode

Operation Rough Rider: US Killed More Civilians in 52 Days Than in Previous 23 Years in Yemen

A 53-day US bombing campaign in Yemen produced an unprecedented civilian death toll, with monitoring organizations documenting at least 224 civilian deaths — matching the previous 23 years of US civilian casualties in Yemen. Strikes hit a migrant detention center, a fuel port, and a cancer hospital.

Record summary

Grade

Grade 5 of 5: War Crime / Crime Against Humanity

Conduct that satisfies the legal elements of a war crime under the Rome Statute (Article 8), a crime against humanity (Article 7), or genocide (Article 6). Scale and definitions

Status
Concluded
Incident date
Record updated
Location
Sanaa, Yemen
Legal posture
Reported
War-crime classification
Probable
ICC relevance
Yes
Civilian casualties
528
Sources
9 cited
Stable ID
yemen-operation-rough-rider
Legal basis
Geneva Conventions Article 54 Protocol I (civilian objects), Article 18 Protocol I (medical facilities), Rome Statute Article 8(2)(b)(ix) (attacking hospitals), Article 8(2)(b)(iv) (disproportionate attacks), IHL principles of distinction/proportionality/precaution, ICCPR Article 6 (right to life)
Victims
At least 224-238 civilian deaths documented by Airwars and the Yemen Data Project across 33 civilian harm incidents, plus hundreds more military casualties. Notable incidents: 84 killed at Ras Issa port (including 49 port workers, truck drivers, civil defense, 3 children); 68 killed at Saada migrant detention center (African migrants); cancer hospital patients and staff (hospital struck twice). The total death toll of the campaign including all parties reached at least 528 according to monitoring organizations, with 467 civilians injured. 24 children were among the dead.
Alleged responsible parties
US military (carrier aviation, B-2 bombers, cruise missiles), CENTCOM, Defense Secretary Pete Hegseth, President Donald Trump (authorized the campaign)

Key points

  • Operation Rough Rider ran from March 15 to May 6, 2025 — 53 days of sustained bombing against Houthi-controlled Yemen, with 339+ strikes hitting 800+ targets.
  • Airwars documented 33 civilian harm incidents and at least 224 civilian deaths. The Yemen Data Project documented at least 238 civilian deaths including 24 children, with 467 civilians injured.
  • In 52 days, the US killed nearly as many civilians as in the previous 23 years of US military operations in Yemen — a total of approximately 482 civilians over that entire period.
  • April 28: US strikes hit a migrant detention center in Saada holding African migrants, killing at least 68 people and injuring 47. Amnesty International called for the strike to be investigated as a war crime.
  • April 17: 14 airstrikes hit the Ras Issa fuel port, killing 84 civilians including port workers, truck drivers, civil defense personnel, and three children. HRW called it an apparent war crime.
  • A cancer hospital in Saada was struck twice during the campaign, destroying a medical facility treating some of the most vulnerable patients.
  • CENTCOM claimed the campaign struck 800+ Houthi targets and caused 650+ Houthi casualties. The operation ended May 6 with a ceasefire brokered by Oman.

What Happened

Operation Rough Rider was a 53-day US bombing campaign against Houthi-controlled Yemen, running from March 15 to May 6, 2025. It was the first large-scale US military operation in the Middle East during Trump's second term and one of the most intensive American air campaigns in recent history.

The Scale

Over 53 days, the US conducted at least 339 strikes hitting more than 800 targets across Houthi-controlled territory. The campaign employed carrier-based aircraft, B-2 stealth bombers, and cruise missiles. CENTCOM reported causing over 650 Houthi casualties.

But the civilian toll was devastating. Airwars documented 33 separate civilian harm incidents and at least 224 civilian deaths. The Yemen Data Project counted at least 238 civilians killed, including 24 children, with 467 civilians injured. The total death toll across all parties reached at least 528.

The most striking statistic: in 52 days of Operation Rough Rider, the US killed nearly as many civilians as in the previous 23 years of American military operations in Yemen — a period that includes thousands of drone strikes, special operations raids, and the earlier campaign against al-Qaeda in the Arabian Peninsula.

The Worst Incidents

Ras Issa Port Strike (April 17): 14 airstrikes hit the Ras Issa oil terminal near Hodeidah, killing at least 84 civilians and injuring over 150. The dead included 49 port workers, truck drivers, civil defense personnel, and three children. The port handles 70% of Yemen's commercial imports. Human Rights Watch concluded the strikes should be investigated as an apparent war crime.

Saada Migrant Detention Center (April 28): US strikes hit a detention center in Saada Governorate holding African migrants, killing at least 68 people and injuring 47. The Intercept reported the strike killed 61 immigrants and zero combatants. Amnesty International called for the strike to be investigated as a war crime, noting the victims were migrants with no connection to the Houthi military.

Saada Cancer Hospital: A cancer treatment hospital in Saada was struck twice during the campaign, destroying a medical facility treating some of Yemen's most vulnerable patients. The bombing of hospitals is specifically prohibited under the Geneva Conventions and constitutes a war crime under the Rome Statute.

The Ceasefire

Operation Rough Rider ended on May 6, 2025, with a ceasefire between the United States and the Houthi movement brokered by Oman. The ceasefire halted the bombing but did not address accountability for the civilian casualties or reconstruction of the devastated infrastructure.

The legal analysis of Operation Rough Rider involves multiple potential war crimes:

Attacking a hospital: The Geneva Conventions provide absolute protection for medical facilities. The double strike on the Saada cancer hospital constitutes a potential war crime under Rome Statute Article 8(2)(b)(ix) — intentionally directing attacks against hospitals.

Ras Issa port strike: Striking a civilian fuel port that handles 70% of Yemen's imports implicates Geneva Convention Article 54, Protocol I — the prohibition on attacking objects indispensable to the survival of the civilian population. With 84 dead, the proportionality calculation is devastating.

Migrant detention center: Striking a detention facility holding migrants — people who had no involvement in the conflict — represents a clear failure of distinction. The victims were neither combatants nor connected to the Houthi movement. Amnesty International explicitly concluded the strike must be investigated as a war crime.

Systematic pattern: 33 civilian harm incidents across 53 days suggests a systematic failure to take feasible precautions to minimize civilian casualties, rather than isolated errors. The unprecedented civilian death rate compared to 23 years of prior operations indicates a fundamental shift in targeting standards.

Why This Is Classified Extreme

This incident receives an extreme severity classification because:

  • Unprecedented civilian death rate: More civilians killed in 52 days than in the previous 23 years of US operations in Yemen. This is not incremental escalation — it is a qualitative break.
  • Multiple probable war crimes: Hospital strikes, detention center strikes, and fuel port strikes each independently constitute potential war crimes. Combined, they form a pattern.
  • Scale: 339+ strikes, 800+ targets, 224-238 civilian deaths, 467 injured, 33 civilian harm incidents — this is a major military campaign with devastating civilian consequences.
  • Identifiable victims: Port workers, truck drivers, migrant detainees, cancer patients, children — these are not abstract "collateral damage" but specific, identifiable categories of protected persons.
  • Expert consensus: Airwars, Human Rights Watch, Amnesty International, Euro-Med Monitor, and the Yemen Data Project have all documented severe civilian harm. Multiple organizations have called for war crime investigations.

International Law Violations

The following international law provisions are implicated:

  1. Geneva Convention Article 18, Protocol I (Hospital Protection): The double strike on the Saada cancer hospital violates the absolute protection afforded to medical facilities.
  2. Rome Statute Article 8(2)(b)(ix) (Attacking Hospitals): Intentionally directing attacks against hospitals is a war crime.
  3. Geneva Convention Article 54, Protocol I (Civilian Infrastructure): The Ras Issa port strike targeted infrastructure indispensable to civilian survival.
  4. Rome Statute Article 8(2)(b)(iv) (Disproportionate Attacks): 84 dead at a fuel port, 68 dead at a migrant detention center — these represent casualties clearly excessive to any military advantage.
  5. IHL Principle of Distinction: The migrant detention center strike killed civilians with zero connection to the conflict. The port strike killed port workers and truck drivers.
  6. IHL Principle of Proportionality: The overall campaign produced a civilian death rate that had no precedent in 23 years of US operations in Yemen.
  7. IHL Principle of Precaution: 33 civilian harm incidents in 53 days suggests systematic failure to take feasible precautions.
  8. ICCPR Article 6 (Right to Life): The arbitrary deprivation of life of hundreds of civilians, including 24 children.

International law engaged

InstrumentProvisionWhat it protects or prohibits
Geneva ConventionsArticle 54, Protocol IProhibition on attacking objects indispensable to the survival of the civilian population
Geneva ConventionsArticle 18, Protocol IProtection of medical units and transports — hospitals and medical facilities shall be respected and protected at all times
Rome Statute of the International Criminal CourtArticle 8(2)(b)(ix)War crime of intentionally directing attacks against hospitals and places where the sick and wounded are collected
Rome Statute of the International Criminal CourtArticle 8(2)(b)(iv)War crime of launching an attack in the knowledge that it will cause civilian casualties clearly excessive in relation to military advantage
International Humanitarian Law—Principle of distinction — obligation to distinguish at all times between combatants and civilians, and between military objectives and civilian objects
International Humanitarian Law—Principle of proportionality — attacks must not cause civilian harm excessive to the concrete and direct military advantage anticipated
International Humanitarian Law—Principle of precaution — obligation to take all feasible precautions to avoid and minimize civilian casualties
International Covenant on Civil and Political RightsArticle 6Right to life — no one shall be arbitrarily deprived of life

Sequence of events

  1. Operation Rough Rider begins

    The United States launches a sustained bombing campaign against Houthi-controlled areas of Yemen. The operation is the first large-scale US military campaign in the Middle East during Trump's second term, involving strikes from carrier-based aircraft, B-2 bombers, and cruise missiles.

  2. Ras Issa port strike kills 84 civilians

    14 US airstrikes hit the Ras Issa oil terminal near Hodeidah, killing at least 84 civilians and injuring over 150. Victims include 49 port workers, truck drivers, civil defense personnel, and three children. HRW later concludes the strikes are an apparent war crime.

  3. Migrant detention center struck — 68 killed

    US strikes hit a detention center in Saada Governorate holding African migrants, killing at least 68 people and injuring 47 others. Amnesty International calls for the strike to be investigated as a war crime, noting the victims were migrants with no connection to the Houthi movement.

  4. USNI reports 1,000 targets hit in 45 days

    The US Naval Institute reports that Operation Rough Rider has hit over 1,000 targets in 45 days, making it one of the most intensive US bombing campaigns in recent history.

  5. Ceasefire ends the operation

    Operation Rough Rider ends with a ceasefire between the United States and the Houthi movement, brokered by Oman. The 53-day campaign has struck 800+ targets and caused unprecedented civilian casualties.

  6. Airwars publishes comprehensive civilian casualty analysis

    Airwars publishes its analysis documenting 33 civilian harm incidents and at least 224 civilian deaths during Operation Rough Rider. The organization finds that in 52 days, the US nearly matched its total civilian casualties in Yemen over the previous 23 years.

  7. Amnesty demands war crime investigation for detention center strike

    Amnesty International publishes its investigation into the April 28 strike on the migrant detention center, concluding the strike must be investigated as a war crime. The Intercept reports the strike killed 61 immigrants and no combatants.

Sources

  1. Trump nearly doubled U.S. civilian casualty toll in Yemen — Airwars archived ✓
  2. March-May 2025 United States attacks in Yemen — Wikipedia archived ✓
  3. Yemen: US Strikes on Port an Apparent War Crime — Human Rights Watch archived ✓
  4. Yemen: US Air Strike on Migrant Detention Centre Must Be Investigated as a War Crime — Amnesty International archived ✓
  5. US air strikes kill 80, injure 150 in Yemen — Al Jazeera archived ✓
  6. US strike on Ras Issa port constitutes unlawful use of force — Euro-Mediterranean Human Rights Monitor archived ✓
  7. An Assessment of Operation Rough Rider — Combating Terrorism Center at West Point archived ✓
  8. Trump's Yemen Strike Killed 61 Immigrants and No Combatants — The Intercept archived ✓
  9. 'Unprecedented' civilian death toll in Yemen from US air strikes — Middle East Eye archived ✓

How this record was published

Related records

Linked by the editors.

  • Grade 5 of 5: War Crime / Crime Against Humanity

    US Strikes on Ras Issa Fuel Port Kill 84+ Civilians in Yemen

    US airstrikes on Yemen's most critical civilian port infrastructure killed 84+ civilians including three children, port workers, truck drivers, and civil defense personnel. HRW found the strikes were an apparent war crime given the port's overwhelmingly civilian character and essential role in sustaining Yemen's population.

  • Grade 5 of 5: War Crime / Crime Against Humanity

    US Airstrike Kills 68 African Migrants in Yemen Detention Center

    US airstrikes killed 68 detained African migrants sleeping in a Sa'ada detention center during Operation Rough Rider. Amnesty International's investigation found no evidence the facility was a military target and concluded the strike was indiscriminate and must be investigated as a war crime.

  • Grade 5 of 5: War Crime / Crime Against Humanity

    Operation Southern Spear: Lethal Drone Strikes on Caribbean and Pacific Drug Boats

    A sustained campaign of Hellfire missile strikes on suspected drug boats has killed at least 231 people (CBS News count, September 2026) without due process, public evidence of drug trafficking, or identification of the dead. Legal experts widely classify these as extrajudicial killings and crimes against humanity.

Similar by category, grade and tags.

  • Grade 5 of 5: War Crime / Crime Against Humanity

    Drone War Expansion: Relaxed Rules of Engagement and Surging Civilian Casualties

    Trump granted the military broader strike authority, designated large areas as 'Areas of Active Hostility' enabling expanded strike approvals, removed mandatory civilian harm mitigation steps, and stopped requiring senior White House approval for counterterrorism strikes. Airwars and the UN documented a sharp rise in civilian casualties across Somalia, Yemen, and Afghanistan.

  • Grade 5 of 5: War Crime / Crime Against Humanity

    Yakla Raid: Trump's First Military Operation Kills Civilians and a U.S. Navy SEAL

    The Yakla raid was authorized by Trump without the standard national security review process. The operation went wrong from the start: intelligence may have been compromised, the element of surprise was lost, and the ensuing firefight resulted in the deaths of a U.S. service member, three wounded Americans, and an estimated 23–30 Yemeni civilians including at least 8 children. Among the civilians killed was 8-year-old Nawar al-Awlaki, a U.S. citizen — the daughter of cleric Anwar al-Awlaki, who had been killed in a 2011 Obama-era drone strike.

  • Grade 3 of 5: Serious Rights Violation

    Operation Hawkeye Strike: Massive US Bombing Campaign in Syria

    A large-scale US retaliatory bombing campaign in Syria following the deaths of three Americans near Palmyra. The scale of the operation — hundreds of munitions across dozens of targets in populated desert regions — raises serious questions about proportionality and civilian protection under international humanitarian law.