Photo: ANDREW CABALLERO-REYNOLDS/AFP via Getty Images

Photo: ANDREW CABALLERO-REYNOLDS/AFP via Getty Images

Trump Sends Weapons to Ukraine: By the Numbers

Since President Trump took office, military aid to Ukraine has been on and off, then partially on, then on again, and then increased further. A series of visuals explains the history, the status of aid deliveries, and the recent U.S.-NATO deal.

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Critical Questions by Mark F. Cancian and Chris H. Park — July 15, 2025

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Seth G. Jones

Seth G. Jones

President, Defense and Security Department; Harold Brown Chair
Emily Harding

Emily Harding

Vice President, Defense and Security Department; Director, Intelligence, National Security, and Technology Program
Daniel Byman

Daniel Byman

Director, Warfare, Irregular Threats, and Terrorism Program
Tom Karako

Tom Karako

Director, Missile Defense Project and Senior Fellow, Defense and Security Department
Cynthia Cook

Cynthia R. Cook

Director, Defense-Industrial Initiatives Group and Senior Fellow, Defense and Security Department
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Kari A. Bingen

Director, Aerospace Security Project and Senior Fellow, Defense and Security Department
Clayton Swope

Clayton Swope

Deputy Director, Aerospace Security Project and Senior Fellow, Defense and Security Department
Bonny Lin

Bonny Lin

Director, China Power Project and Senior Adviser
Kathleen Mcinnis

Kathleen McInnis

Director, Smart Women, Smart Power Initiative and Senior Fellow, Defense and Security Department
Max Bergmann

Max Bergmann

Director, Europe, Russia, and Eurasia Program and Stuart Center
Matt Pearl

Matt Pearl

Director, Strategic Technologies Program
Benjamin Jensen

Benjamin Jensen

Director, Futures Lab, and Senior Fellow, Defense and Security Department
Yasir Atalan

Yasir Atalan

Data Fellow, Futures Lab, Defense and Security Department
Brian Hart

Brian Hart

Deputy Director and Fellow, China Power Project
Andy Lim

Andy Lim

Deputy Director and Fellow, Korea Chair
Joseph Rodgers

Joseph Rodgers

Deputy Director and Fellow, Project on Nuclear Issues

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America's 'Golden Dome' Explained

Please join the CSIS Defense and Security Department for a conversation on the feasibility, cost, and security implications of future U.S. missile defense programs.

Event — June 4, 2025

America's 'Golden Dome' Explained

CSIS Defense and Security Department experts discussed the Golden Dome project, its implications for U.S. allies and partners, and ingredients for success on an ambitious timeline.

Transcript — June 4, 2025

Form Follows Function: Options for Changing U.S. Strategy

To match a new era of global threats, the United States must overhaul its military map—consolidating commands, empowering deputies, and aligning strategies—to build a leaner, more agile force that thinks, competes, and adapts at the speed of relevance.

Report by Todd Simmons, Col. Benjamin Fernandes, and Benjamin Jensen — June 3, 2025

Russia’s Battlefield Woes in Ukraine

Russia has performed poorly on the battlefield in Ukraine and will likely hit the 1 million casualty mark in the summer of 2025. New CSIS data details Russia's slow rate of advance, heavy losses of equipment, and significant casualties.

Brief by Seth G. Jones and Riley McCabe — June 3, 2025