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On the Horizon Vol. 7

The Nuclear Scholars Initiative is a signature program run by the Project on Nuclear Issues (PONI) to engage emerging nuclear experts in thoughtful and informed debate over how to best address the nuclear community’s most pressing problems. The papers included in this volume comprise research from participants in the 2024 Nuclear Scholars Initiative. These papers explore a range of crucial debates across deterrence, arms control, and non-proliferation communities.

Hezbollah’s Fall: Implications for Iran’s Nuclear Aspirations

In ten days, Israel decapitated Hezbollah as an organization, leaving behind only fighters previously deemed not important enough to have a beeper. Beyond a tactical operation, by electing to conduct all three operations in daylight, civilians in Lebanon and Iran were forced to confront Hezbollah’s weakness. Although these operations were transformative, this crippling of Hezbollah will likely send nuclear shockwaves through the region by incentivizing both Tehran’s nuclear weaponization and Israeli targeting of Iranian nuclear facilities. As the region braces for continued conflict between Israel and Iran after the U.S. election, rather than striking nuclear facilities, Israel should target economic centers of gravity, bolster influence operations, and leverage domestic unrest in Iran and Lebanon to destabilize the regime. At the same time, the U.S. should raise the political and economic costs of maintaining a nuclear program. This approach can foster democracy, enhance Mossad intelligence operations, and compel Iran to reallocate military financing, laying the groundwork for lasting peace.

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A Choice of Nuclear Futures in Space 

In February, it was revealed that Russia has been developing a nuclear-armed anti-satellite (ASAT) weapon. Officials quickly issued reassurances that the technology had not been deployed and that it did not pose an imminent danger. While it is still not publicly known how far Russia is in the development of this capability, the news nevertheless underscores that trends are pointing to a future in space that is nuclear. But whether this future will involve the weaponized use of nuclear power in space remains an open question. As the United States seeks to curtail the proliferation of nuclear weapons in space, it must do so with a clear vision for the sort of nuclear future it would like to see in space. This article examines three possible such futures and the questions on arms control, nonproliferation, and extended nuclear deterrence that arise from them.  

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The GIUK Gap: A New Age of A2/AD in Contested Strategic Maritime Spaces 

The global strategic environment is ripe for technology-driven great power competition once more. Russia’s war in Ukraine and pursuit of novel nuclear weapon delivery vehicles, coupled with China’s expanding nuclear arsenal and capabilities, mean the United States must assess its capabilities and posture in more theaters simultaneously than ever before. Among them, contested maritime spaces…

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