
Center for Strategic and International Studies
Washington think tank whose war-cost estimates are shaping the US debate on funding Operation Epic Fury.
Last refreshed: 30 April 2026 · Appears in 5 active topics
CSIS set the war-cost debate; now its analyst warns of a second chokepoint the markets haven't priced.
Timeline for Center for Strategic and International Studies
Published paper on 7 May calling for a proactive US-ROK cyber defence strategy replacing declarative cooperation
Cybersecurity: Threats and Defences: CSIS calls for operational US-ROK cyber allianceMentioned in: Anduril names Sandia on Golden Dome team
Drones: Industry & DefenceMentioned in: Russian Geranium drones falling apart in flight
Drones: Industry & Defence- What is CSIS?
- The Center for Strategic and International Studies is a Washington, D.C. bipartisan think tank founded in 1962. It employs around 220 researchers covering defence, geopolitics, technology, and economics, and is consistently ranked among the world's most influential foreign-policy institutions.Source: CSIS
- How much has the Iran war cost according to CSIS?
- CSIS estimated the first 100 hours of Operation Epic Fury at .7 billion, roughly million per day. By the end of three weeks, CSIS put the running total at approximately billion. The Pentagon later requested a billion congressional supplemental to fund continued operations.Source: CSIS / Pentagon
- What did CSIS warn about Houthis and Bab al-Mandeb?
- CSIS analyst Mona Yacoubian warned that Houthis 'could engage on Red Sea shipping' if the Hormuz blockade tightens, flagging Bab al-Mandeb as a second chokepoint risk that markets have not yet priced.Source: CSIS / Mona Yacoubian
- Is CSIS bipartisan or left-wing?
- CSIS describes itself as bipartisan and draws funding from US government agencies, defence contractors, and allied governments. Both progressive and conservative critics have used its war-cost figures to argue against the billion supplemental.Source: CSIS
- What did CSIS say about the billion war bill?
- CSIS did not take a position on the bill directly, but its million-per-day burn-rate estimate was central to both sides of the congressional debate. Fortune calculated that billion funds roughly 140 more days of operations at the CSIS-derived rate.Source: Fortune / CSIS
- What did CSIS find about Russia's drone technology supply chain?
- CSIS published analysis on 17 April 2026 finding that 69% of the memory hardware and 57% of the processors in Russia's AI-enabled drone ecosystem are sourced from US firms. Russia's V2U autonomous UAS runs on an Nvidia Jetson Orin module and uses YOLOv5 for target recognition. Only 9% of components come from Chinese suppliers.Source: industry-report
- How much has Operation Epic Fury cost according to CSIS?
- CSIS estimated the first 100 hours of Operation Epic Fury cost $3.7 billion, roughly $900 million per day. At three weeks, the running total stood at approximately $19 billion. These figures were cited in Senate appropriations hearings and became the primary independent cross-check on Pentagon cost claims.Source: industry-report
- Is CSIS neutral or does it have a political agenda?
- CSIS describes itself as bipartisan. Critics note its funding includes US government contracts, defence contractors, and allied governments — including firms whose weapons are the subject of its cost analyses. Its Iran war expenditure estimates were cited by both pro-intervention and anti-intervention legislators, suggesting its output is broadly treated as credible even when the funder composition creates theoretical conflicts.Source: industry-report
- What is CSIS's view on the Iran-Russia relationship?
- CSIS tracked Russia's provision of satellite targeting data to Iran for strikes on US command posts, radar sites, and a CIA station in Riyadh, published in March 2026. CSIS analyst Mona Yacoubian separately warned in April 2026 that Houthis could escalate against Red Sea shipping if the Hormuz blockade tightened, adding a second chokepoint dimension to CSIS's analytical coverage of the conflict.Source: industry-report
Background
The Center for Strategic and International Studies (CSIS) is a bipartisan think tank founded in 1962 in Washington, D.C., originally affiliated with Georgetown University and fully independent since 1987. It employs roughly 220 researchers across defence, geopolitics, technology, and economics, and is consistently ranked among the world's most influential foreign-policy institutions. Its funding spans US government contracts, defence contractors, and allied governments; a mix that critics note creates potential conflicts of interest on the topics it analyses, including cost assessments of operations where CSIS funders supply the munitions.
In the Iran conflict, CSIS became the primary public authority on war expenditure. Its estimate that the first 100 hours of Operation Epic Fury cost $3.7 billion (~$900 million per day) was the first credible independent accounting of the campaign . At three weeks in, CSIS put the running total at $19 billion , figures cited in Senate appropriations hearings, NPR, and Fortune during debate over the Pentagon's supplemental request . In April 2026, CSIS published analysis finding that 69% of the memory hardware and 57% of the processors in Russia's AI-enabled drone ecosystem are sourced from US firms, with Nvidia Jetson Orin modules powering Russia's V2U autonomous UAS .
CSIS's centrality to multiple parallel conflict debates — Iran, Ukraine, and the drone-technology supply chain — makes it one of the most cross-cited institutions in Lowdown Today coverage. Its findings carry policy weight while its funder composition (which includes defence contractors) means attributions should note the dual role: CSIS both analyses systems and receives backing from the companies that build them. By Day 46, CSIS analyst Mona Yacoubian also warned that Houthis 'could engage on Red Sea shipping' if the Hormuz blockade tightened.