Operation Epic Fury costs nearly $900 million per day, driven by the large expenditure of munitions. Because most of this is ...

Please join the CSIS Defense and Security Department for a conversation on the strategic implications of Operation Epic Fury.

In the early hours of February 28, the United States, alongside Israel, launched a large-scale strike on Iran, aimed at weakening the regime’s military and strategic capabilities. The operation was ...

The 2025 Space Threat Assessment covers the growing counterspace capabilities of China, Russia, Iran, North Korea, and others. It also features analysis on GPS jamming and spoofing, satellite ...

Editor’s Note: This piece was updated on February 24, 2026, to reflect new developments in the Middle East. Once again, just eight months after Operation Midnight Hammer, the United States is poised ...

In last summer’s Twelve-Day War, energy supplies were largely spared. But in a potential new round of fighting between the United States and Iran, energy supply disruptions and resulting price spikes ...

Despite claims of battlefield momentum in Ukraine, the data shows that Russia is paying an extraordinary price for minimal gains and is in decline as a major power. Since February 2022, Russian forces ...

The commentary has been updated. This is, to paraphrase Winston Churchill, not the beginning of the end, but the end of the beginning. Venezuela will enter a long transition with even greater U.S.

On December 22, President Trump announced a new class of “battleships” that will be 100 times more powerful than previous battleships and larger than any other surface combatant on the oceans. The ...

The CSIS Missile Defense Project is pleased to roll out its new brief, The Depleting Missile Defense Interceptor Inventory. As missiles have become weapons of choice, air and missile defenses (AMD) ...

Universities are among the United States’ most enduring sources of competitive advantage and a key pillar of the nation’s innovation system. Home to more than 35 of the world’s top 100 research ...

Will the Golden Dome, the Trump administration’s proposed national missile shield, start a new nuclear or outer space arms race, destabilize the balance between the major global powers, and exacerbate ...