Over the course of Operation Epic Fury, the U.S. and its partners have fired hundreds of defense interceptors and long-range missiles. While there may be sufficient stocks for the task at hand, other objectives, such as deterring aggression by China, are more uncertain. To manage present and future threats, Congress must pass a munitions supplemental to both replenish and expand.
On February 3, 2026, CSIS Defense and Security Department experts examined New START’s expiration, how U.S. and Russian nuclear arsenals will evolve, and what the implications are for U.S. and global security.
On January 22, 2026, CSIS Defense and Security Department experts discussed the Secretary of War’s Arsenal of Freedom tour, intended to bolster the defense industrial base and accelerate defense-related production.
On December 17, 2025, the CSIS Missile Defense Project is pleased to roll out its new brief, The Depleting Missile Defense Interceptor Inventory.
On December 10, 2025, CSIS Defense and Security Department experts weighed in on the recently released National Security Strategy.
The proliferation of missile threats has made air and missile defense interceptors the table stakes for entry into future conflicts, forcing the Department of Defense to either ante up and buy the necessary interceptors, or fold on its regional interests and bear the consequences.
The Trump administration’s Golden Dome initiative is both strategically necessary and long overdue. It is also already in jeopardy of failure. The reason? A lack of dialogue and persuasion. If the Pentagon does not start explaining Golden Dome, it will never be built.
On November 4, 2025, CSIS Defense and Security Department experts broke down Netflix's "A House of Dynamite," exploring lessons learned, what it gets right and wrong, and how it can inform conversations about national security.
On October 10, 2025, CSIS Defense and Security Department experts discussed Russian President Vladimir Putin's offer to abide by New START limitations for another year after the treaty expires in February 2026.
New guidance for implementing the Missile Technology Control Regime will make it moderately easier for the United States to sell UASs to allies. But more fundamental reform is still needed to adapt the nonproliferation regime to today’s strategic environment.
