Missile Defense

Seeking innovative means to counter the full spectrum of global missile threats, CSIS research on this subject is led by the Missile Defense Project, which operates the CSIS Missile Threat website.

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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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Tom Karako
Director, Missile Defense Project and Senior Fellow, Defense and Security Department