
France’s Choice for Naval Nuclear Propulsion: Why Low-Enriched Uranium Was Chosen
This special report is a result of an FAS task force on French naval nuclear propulsion and explores France’s decision to switch from highly-enriched uranium (HEU) to low-enriched uranium (LEU). By detailing the French Navy’s choice to switch to LEU fuel, author Alain Tournyol du Clos — a lead architect of France’s nuclear propulsion program — explores whether France’s choice is fit for other nations.
Is sole authority solvable, or is it truly the best system possible for nuclear launch authority? If the latter, should we accept that reality?
On September 3, 2025, China showcased its military power in a parade commemorating the 80th Anniversary of the end of World War II. The parade featured a large number of new military weapons and equipment, including new and modified nuclear systems that had not been previously publicly displayed. This parade was also the first time […]
With 2000 nuclear weapons on alert, far more powerful than the first bomb tested in the Jornada Del Muerto during the Trinity Test 80 years ago, our world has been fundamentally altered.
As the United States continues nuclear modernization on all legs of its nuclear triad through the creation of new variants of warheads, missiles, and delivery platforms, examining the effects of nuclear weapons production on the public is ever more pressing.